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(vii) GVII–G600 Maintenance Manual 28– Helicopters, and completing an FAA- EC130T2 helicopters. The NPRM 26–04 Fuel Boost Pump—Prime, dated approved repair is required. This AD published in the Federal Register on August 31, 2020. was prompted by a report of a missing April 13, 2020, (85 FR 20447). The (viii) GVII–G600 Maintenance Manual 28– MGB suspension bar attachment bolt NPRM proposed to require visually 26–04 Fuel Boost Pump—Removal/ inspecting each MGB suspension bar Installation dated August 31, 2020. head. The actions of this AD are (ix) GVII–G600 Maintenance Manual 28– intended to address an unsafe condition attachment bracket for missing bolt 26–05 Fuel Boost Pump Canister—Removal/ on these products. heads. If one bolt head is missing, the Installation, dated August 31, 2020. DATES: This AD is effective December proposed AD would require performing (3) For Gulfstream Aerospace Corporation 14, 2020. actions specified in the service service information identified in this AD, The Director of the Federal Register information including measuring the contact Gulfstream Aerospace Corporation, approved the incorporation by reference tightening torque of the remaining bolts Technical Publications Dept., P.O. Box 2206, of certain documents listed in this AD of that bracket, removing the attachment Savannah, GA 31402; phone: (800) 810–4853; bracket bolts, washers, and nuts of that email: [email protected]; website: as of December 14, 2020. ADDRESSES: For service information bracket, and sending photos and https://www.gulfstream.com/en/customer- reporting certain information to Airbus support/. identified in this final rule, contact (4) You may view this service information Airbus Helicopters, 2701 N Forum Helicopters. The proposed AD would at the FAA, Airworthiness Products Section, Drive, Grand Prairie, TX 75052; also require repairs in accordance with Operational Safety Branch, 901 Locust, telephone 972–641–0000 or 800–232– an FAA-approved method if two or Kansas City, Missouri 64106. For information 0323; fax 972–641–3775; or at https:// more bolt heads are missing. The on the availability of this material at the www.airbus.com/helicopters/services/ proposed requirements were intended to FAA, call (816) 329–4148. prevent failure of the MGB suspension (5) You may view this service information technical-support.html. You may view this referenced service information at bar attachment bolts due to fatigue. that is incorporated by reference at the The NPRM was prompted by EASA the FAA, Office of the Regional Counsel, National Archives and Records AD No. 2018–0152, dated July 18, 2018 Southwest Region, 10101 Hillwood Administration (NARA). For information on (EASA AD 2018–0152), issued by the availability of this material at NARA go Pkwy., Room 6N–321, Fort Worth, TX EASA, which is the Technical Agent for to: https://www.archives.gov/federal-register/ 76177. It is also available on the internet cfr/ibr-locations.html. the Member States of the European at https://www.regulations.gov by Union, to correct an unsafe condition Issued on October 27, 2020. searching for and locating Docket No. for Airbus Helicopters (formerly Gaetano A. Sciortino, FAA–2020–0378. Eurocopter, Eurocopter France) Model Deputy Director for Strategic Initiatives, Examining the AD Docket AS 350 B, AS 350 D, AS 350 B1, AS 350 Compliance & Airworthiness Division, B2, AS 350 BA, AS 350 BB, AS 350 B3, Aircraft Certification Service. You may examine the AD docket on the internet at https:// EC 130 B4, EC 130 T2, AS 355 E, AS355 [FR Doc. 2020–24808 Filed 11–6–20; 8:45 am] F, AS355 F1, AS 355 F2, AS 355 N, and www.regulations.gov by searching for BILLING CODE 4910–13–P AS355 NP helicopters. EASA advises of and locating Docket No. FAA–2020– a reported occurrence of a missing MGB 0378; or in person at Docket Operations suspension bar attachment bolt head. DEPARTMENT OF TRANSPORTATION between 9 a.m. and 5 p.m., Monday EASA advises that investigations are through Friday, except Federal holidays. ongoing to determine the root cause of Federal Aviation Administration The AD docket contains this AD, the this event. According to Airbus European Aviation Safety Agency (now Helicopters, the missing MGB 14 CFR Part 39 European Union Aviation Safety suspension bar attachment bolt head Agency) (EASA) AD, any service [Docket No. FAA–2020–0378; Product was discovered during scheduled Identifier 2018–SW–060–AD; Amendment information that is incorporated by maintenance of a Model EC 130 T2 39–21316; AD 2020–22–20] reference, any comments received, and helicopter. EASA states this condition other information. The street address for RIN 2120–AA64 could lead to fatigue failure of other Docket Operations is U.S. Department of affected bolts of the same MGB bracket, Transportation, Docket Operations, M– possibly resulting in loss of the MGB Airworthiness Directives; Airbus 30, West Building Ground Floor, Room Helicopters suspension bar and consequently loss of W12–140, 1200 New Jersey Avenue SE, helicopter control. As an interim AGENCY: Federal Aviation Washington, DC 20590. measure to address this potential unsafe Administration (FAA), DOT. FOR FURTHER INFORMATION CONTACT: condition, the EASA AD also includes ACTION: Final rule. Kristi Bradley, Aerospace Engineer, Model AS 350 B, AS 350 D, AS 350 B1, General Aviation & Rotorcraft Section, AS 350 B2, AS 350 BA, AS 350 BB, AS SUMMARY: The FAA is adopting a new International Validation Branch, FAA, 350 B3, EC 130 B4, AS 355 E, AS355 F, airworthiness directive (AD) for Airbus 10101 Hillwood Pkwy., Fort Worth, TX AS355 F1, AS355 F2, AS355 N, and Helicopters Model AS350B, AS350B1, 76177; telephone 817–222–5110; email AS355 NP helicopters in its AS350B2, AS350B3, AS350BA, [email protected]. applicability. AS350D, AS350D1, AS355E, AS355F, SUPPLEMENTARY INFORMATION: Accordingly, EASA AD 2018–0152 AS355F1, AS355F2, AS355N, AS355NP, requires a one-time visual inspection to EC130B4, and EC130T2 helicopters. Discussion check that all MGB suspension bar This AD requires visually inspecting The FAA issued a notice of proposed attachment bracket bolt heads are each main rotor gearbox (MGB) rulemaking (NPRM) to amend 14 CFR present and depending on the outcome, suspension bar attachment bracket bolt part 39 by adding an AD that would measuring the tightening torque values for missing bolt heads. Depending on apply to Airbus Helicopters Model of the bolts, removing and sending bolts, the outcome of the visual inspection, AS350B, AS350B1, AS350B2, AS350B3, washers, and nuts to Airbus Helicopters, measuring the tightening torque, AS350BA, AS350C, AS350D, AS350D1, installing new bolts, washers, and nuts, removing certain parts, sending photos AS355E, AS355F, AS355F1, AS355F2, sending photos and reporting certain and reporting information to Airbus AS355N, AS355NP, EC130B4, and information to Airbus Helicopters, and

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contacting Airbus Helicopters for provided by EASA, reviewing the course of business or by the means approved repair instructions. EASA relevant information, considering the identified in the ADDRESSES section. states EASA AD 2018–0152 is comments received, and determining Other Related Service Information considered an interim action and further the unsafe condition exists and is likely AD action may follow. to exist or develop on other helicopters The FAA also reviewed Airbus of these same type designs and that air Standard Practices Manual (MTC) 20– Comments safety and the public interest require 02–05–404, Assembly by screws and The FAA gave the public the adopting the AD requirements as nuts Joining, dated May 23, 2017. This opportunity to participate in developing proposed except for the change service information specifies this final rule. The FAA received described previously. The FAA has instructions for installing screws and comments from one commenter. The determined that this change is nuts, tightening procedures when following presents the comments consistent with the intent that was installing multiple bolts, tightening received on the NPRM and the FAA’s proposed for addressing the unsafe torque check and readjustment response to the comments. condition and does not add any procedures, tooling information, additional burden upon the public than measuring locking torque procedures, Request was already proposed in the NPRM standard tightening torque procedures The commenter requested that this except for minor editorial changes. and values, torque tightening of screws AD apply to Model AS350B3 and higher These minor editorial changes are in sandwich panels information, use of model helicopters, specifically Model consistent with the intent of the consumable materials and their AS350B3, AS350B3E, EC130B4, proposals in the NPRM and will not correction coefficient values pertaining EC130T2, H125, and H130 helicopters. increase the economic burden on any to screws, nuts, and washers, marking The commenter stated that, based on operator nor increase the scope of this torque stripes, and re-installation experience with a fleet of AS350BA and AD. criteria and inspection of attachment AS350B2 helicopters, the commenter components. has never seen a bolt head break on Interim Action Model AS350BA and AS350B2 The FAA considers this AD to be an Costs of Compliance helicopters. interim action. If final action is later The FAA estimates that this AD The FAA disagrees with removing identified, the FAA might consider affects 1,277 helicopters of U.S. models from the Applicability. The FAA further rulemaking. Registry. The FAA estimates that determined that the unsafe condition operators may incur the following costs Differences Between This AD and the exists and is likely to exist or develop in order to comply with this AD. Labor EASA AD on all the model helicopters included in costs are estimated at $85 per work- the Applicability and is therefore The EASA AD applies to Model hour. requiring corrective action to address AS350BB helicopters, whereas this AD Inspecting for any missing MGB this unsafe condition on these models. does not because that model is not FAA suspension bar attachment bracket bolt type-certificated. The EASA AD directs heads takes about 2 work-hours for an Request the operators to contact Airbus estimated cost of $170 per helicopter The commenter requested the Helicopters for repairs if more than one and $217,090 for the U.S. fleet. manufacturer add the inspection screw head is missing, whereas this AD Measuring the tightening torque of proposed in the NPRM to the 660-hour does not. three MGB suspension bar attachment ‘‘T’’ inspection and also add the Related Service Information Under 1 bracket bolts and replacing the set of inspection after a certain number of CFR Part 51 four MGB suspension bar attachment flight hours after installation. The bracket bolts, washers, and nuts takes commenter gave an example of after 165 The FAA reviewed Airbus Helicopter about 1 work-hour and parts cost about flying hours. Alert Service Bulletin (ASB) No. $50 for an estimated cost of $135 per The FAA disagrees; the commenter AS350–05.00.92 for Model AS350B, B1, helicopter. provided no technical justification for B2, B3, BA, and D helicopters, non-FAA Sending photos and reporting changing the compliance times. type-certificated Model AS350BB required information takes about 1 hour helicopters, and military Model for an estimated cost of $85 per Actions Since Issuance of the NPRM AS350L1 helicopters; Airbus helicopter. After the NPRM was issued, the FAA Helicopters ASB No. AS355–05.00.79 The FAA does not have the data to discovered that Airbus Helicopters for Model AS355E, F, F1, F2, N, and NP estimate the costs to do any FAA- Model AS350C was inadvertently helicopters; and Airbus Helicopters ASB approved repairs if two or more MGB included in the proposed Applicability. No. EC130–05A028 for Model EC130B4 suspension bar attachment bracket bolt This helicopter model has a different and T2 helicopters, all Revision 0 and heads are missing. engine model and therefore is not dated July 16, 2018. This service Paperwork Reduction Act subject to the unsafe condition. The information specifies a one-time visual FAA has updated the Applicability inspection using a light source and a A federal agency may not conduct or section accordingly. mirror, and using an endoscope for any sponsor, and a person is not required to attachment bolts that are difficult to respond to, nor shall a person be subject FAA’s Determination access, for the presence of the 16 to a penalty for failure to comply with These helicopters have been approved attachment bracket bolt heads of the 4 a collection of information subject to the by EASA and are approved for operation MGB suspension bars. The service requirements of the Paperwork in the United States. Pursuant to the information also specifies different Reduction Act unless that collection of FAA’s bilateral agreement with the actions depending on the results of the information displays a currently valid European Union, EASA has notified the visual inspection. OMB Control Number. The OMB FAA of the unsafe condition described This service information is reasonably Control Number for this information in its AD. The FAA is issuing this AD available because the interested parties collection is 2120–0056. Public after evaluating all information have access to it through their normal reporting for this collection of

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information is estimated to be Adoption of the Amendment ASB EC130–05A028, as applicable to your approximately 1 hour per response, model helicopter, except you are not required Accordingly, under the authority to return removed parts to Airbus including the time for reviewing delegated to me by the Administrator, instructions, searching existing data Helicopters. You must do the repair before the FAA amends 14 CFR part 39 as further flight, and you must submit the sources, gathering and maintaining the follows: photographs and reply form to Airbus data needed, and completing and Helicopters within 30 days of completing the reviewing the collection of information. PART 39—AIRWORTHINESS inspection. All responses to this collection of DIRECTIVES (2) If two or more bolt heads are missing, information are mandatory. Send before further flight, repair using a method comments regarding this burden ■ 1. The authority citation for part 39 approved by the Manager, Rotorcraft estimate or any other aspect of this continues to read as follows: Standards Branch. For a repair method to be collection of information, including approved by the Manager, Rotorcraft Authority: 49 U.S.C. 106(g), 40113, 44701. Standards Branch, as required by this suggestions for reducing this burden to: § 39.13 [Amended] paragraph, the Manager’s approval letter Information Collection Clearance must specifically refer to this AD. ■ Officer, Federal Aviation 2. The FAA amends § 39.13 by adding Note 1 to paragraph (e): Airbus Helicopters Administration, 10101 Hillwood the following new airworthiness refers to the bolts as screws. Parkway, Fort Worth, TX 76177–1524. directive (AD): (f) Special Flight Permits Authority for This Rulemaking 2020–22–20 Airbus Helicopters: Amendment 39–21316; Docket No. FAA–2020–0378; Special Flight permits are prohibited. Title 49 of the United States Code Product Identifier 2018–SW–060–AD. specifies the FAA’s authority to issue (g) Paperwork Reduction Act Burden Statement rules on aviation safety. Subtitle I, (a) Applicability section 106, describes the authority of This AD applies to Airbus Helicopters A federal agency may not conduct or the FAA Administrator. Subtitle VII: Model AS350B, AS350B1, AS350B2, sponsor, and a person is not required to AS350B3, AS350BA, AS350D, AS350D1, respond to, nor shall a person be subject to Aviation Programs, describes in more a penalty for failure to comply with a detail the scope of the Agency’s AS355E, AS355F, AS355F1, AS355F2, AS355N, AS355NP, EC130B4, and EC130T2 collection of information subject to the authority. helicopters, all serial numbers, certificated in requirements of the Paperwork Reduction The FAA is issuing this rulemaking any category. Act unless that collection of information under the authority described in displays a currently valid OMB Control Subtitle VII, Part A, Subpart III, Section (b) Unsafe Condition Number. The OMB Control Number for this 44701: General requirements. Under This AD defines the unsafe condition as a information collection is 2120–0056. Public that section, Congress charges the FAA missing main rotor gearbox (MGB) reporting for this collection of information is with promoting safe flight of civil suspension bar attachment bracket bolt head. estimated to be approximately 1 hour per aircraft in air commerce by prescribing This condition could result in fatigue failure response, including the time for reviewing instructions, searching existing data sources, regulations for practices, methods, and of the other MGB suspension bar attachment bracket bolts of the same MGB bracket, which gathering and maintaining the data needed, procedures the Administrator finds could result in loss of the MGB suspension and completing and reviewing the collection necessary for safety in air commerce. bar and subsequent loss of control of the of information. All responses to this This regulation is within the scope of helicopter. collection of information are mandatory. that authority because it addresses an Send comments regarding this burden unsafe condition that is likely to exist or (c) Effective Date estimate or any other aspect of this collection develop on helicopters identified in this This AD becomes effective December 14, of information, including suggestions for rulemaking action. 2020. reducing this burden to: Information Collection Clearance Officer, Federal Regulatory Findings (d) Compliance Aviation Administration, 10101 Hillwood You are responsible for performing each Parkway, Fort Worth, TX 76177–1524. This AD will not have federalism action required by this AD within the implications under Executive Order specified compliance time unless it has (h) Alternative Methods of Compliance 13132. This AD will not have a already been accomplished prior to that time. (AMOCs) substantial direct effect on the States, on (1) The Manager, International Validation (e) Required Actions the relationship between the national Branch, FAA, may approve AMOCs for this government and the States, or on the For helicopters with less than 1035 hours AD. Send your proposal to: Kristi Bradley, distribution of power and time-in-service (TIS), before reaching 1200 Aerospace Engineer, General Aviation & hours TIS, and for helicopters with 1035 or responsibilities among the various Rotorcraft Section, International Validation more hours TIS, within 165 hours TIS or 12 Branch, FAA, 10101 Hillwood Pkwy., Fort levels of government. months, whichever occurs first, visually Worth, TX 76177; telephone 817–222–5110; For the reasons discussed above, I inspect each MGB suspension bar attachment email [email protected]. certify that this AD: bracket bolt for missing bolt heads by (2) For operations conducted under a 14 1. Is not a ‘‘significant regulatory following the Accomplishment Instructions, CFR part 119 operating certificate or under action’’ under Executive Order 12866, paragraph 3.B.2.a. of Airbus Helicopters Alert 14 CFR part 91, subpart K, the FAA suggests 2. Will not affect intrastate aviation in Service Bulletin (ASB) No. AS350–05.00.92, that you notify your principal inspector, or Alaska, and Airbus Helicopters ASB No. AS355–05.00.79, lacking a principal inspector, the manager of 3. Will not have a significant or Airbus Helicopters ASB No. EC130– the local flight standards district office or economic impact, positive or negative, 05A028, all Revision 0 and dated July 16, certificate holding district office before on a substantial number of small entities 2018 (ASB AS350–05.00.92, ASB AS355– operating any aircraft complying with this under the criteria of the Regulatory 05.00.79, or ASB EC130–05A028), as AD through an AMOC. applicable to your model helicopter. If any Flexibility Act. bolt heads are missing, do the following: (i) Additional Information List of Subjects in 14 CFR Part 39 (1) If one bolt head is missing, do the (1) Airbus Standard Practices Manual actions under the section ‘‘If only one screw (MTC) 20–02–05–404, Assembly by screws Air transportation, Aircraft, Aviation head (a) is missing’’ in the Accomplishment and nuts Joining, dated May 23, 2017, which safety, Incorporation by reference, Instructions, paragraph 3.B.2.b of ASB is not incorporated by reference, contains Safety. AS350–05.00.92, ASB AS355–05.00.79, or additional information about the subject of

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this AD. For service information identified in DEPARTMENT OF TRANSPORTATION the internet at https:// this AD, contact Airbus Helicopters, 2701 N. www.regulations.gov by searching for Forum Drive, Grand Prairie, TX 75052; Federal Aviation Administration and locating Docket No. FAA–2020– telephone 972–641–0000 or 800–232–0323; 0464. fax 972–641–3775; or at https:// 14 CFR Part 39 www.airbus.com/helicopters/services/ Examining the AD Docket [Docket No. FAA–2020–0464; Product technical-support.html. You may view the Identifier 2020–NM–040–AD; Amendment You may examine the AD docket on referenced service information at the FAA, 39–21307; AD 2020–22–11] the internet at https:// Office of the Regional Counsel, Southwest www.regulations.gov by searching for Region, 10101 Hillwood Pkwy., Room 6N– RIN 2120–AA64 and locating Docket No. FAA–2020– 321, Fort Worth, TX 76177. 0464; or in person at Docket Operations (2) The subject of this AD is addressed in Airworthiness Directives; Airbus SAS Airplanes between 9 a.m. and 5 p.m., Monday European Aviation Safety Agency (now through Friday, except Federal holidays. European Union Aviation Safety Agency) AGENCY: Federal Aviation The AD docket contains this final rule, (EASA) AD No. 2018–0152, dated July 18, Administration (FAA), Department of any comments received, and other 2018. You may view the EASA AD on the Transportation (DOT). information. The address for Docket internet at https://www.regulations.gov in ACTION: Final rule. Operations is U.S. Department of Docket No. FAA–2020–0378. Transportation, Docket Operations, M– (j) Subject SUMMARY: The FAA is superseding 30, West Building Ground Floor, Room Airworthiness Directive (AD) 2017–18– Joint Aircraft Service Component (JASC) W12–140, 1200 New Jersey Avenue SE, 17, which applied to all Airbus SAS Code: 6320, Main Rotor Gearbox. Washington, DC 20590. Model A300 B4–603, A300 B4–620, FOR FURTHER INFORMATION CONTACT: Dan (k) Material Incorporated by Reference A300 B4–622, A300 B4–605R, A300 B4– Rodina, Aerospace Engineer, Large (1) The Director of the Federal Register 622R, A300 F4–605R, A300 F4–622R, Aircraft Section, International approved the incorporation by reference of and A300 C4–605R Variant F airplanes. Validation Branch, FAA, 2200 South the service information listed in this AD 2017–18–17 required modifying 216th St., Des Moines, WA 98198; paragraph under 5 U.S.C. 552(a) and 1 CFR certain fuselage frames and a repair on phone and fax: 206–231–3225; email: part 51. certain modified airplanes. This AD [email protected]. continues to require the actions in AD (2) You must use this service information SUPPLEMENTARY INFORMATION: as applicable to do the actions required by 2017–18–17, and also requires, for this AD, unless the AD specifies otherwise. certain airplanes, an inspection to Discussion (i) Airbus Helicopters Alert Service determine if rotating probe inspections The EASA, which is the Technical Bulletin (ASB) No. AS350–05.00.92, Revision were performed prior to oversizing of Agent for the Member States of the 0, dated July 16, 2018. the open-holes, and repair if necessary; European Union, has issued EASA AD (ii) Airbus Helicopters ASB No. AS355– as specified in a European Union 2020–0051, dated March 11, 2020 05.00.79, Revision 0, dated July 16, 2018. Aviation Safety Agency (EASA) AD, (‘‘EASA AD 2020–0051’’) (also referred (iii) Airbus Helicopters ASB No. EC130– which is incorporated by reference. This to as the Mandatory Continuing 05A028, Revision 0, dated July 16, 2018. AD was prompted by a report indicating Airworthiness Information, or ‘‘the (3) For service information identified in that the material used to manufacture MCAI’’), to correct an unsafe condition this AD, contact Airbus Helicopters, 2701 N. the upper frame feet was changed and for all Airbus SAS Model A300 B4–603, Forum Drive, Grand Prairie, TX 75052; negatively affected the fatigue life of the A300 B4–620, A300 B4–622, A300 B4– telephone 972–641–0000 or 800–232–0323; frame feet, and a determination that 605R, A300 B4–622R, A300 F4–605R, fax 972–641–3775; or at https:// more work is required for certain A300 F4–622R, A300 C4–620, and A300 www.airbus.com/helicopters/services/ airplanes that were previously modified. C4–605R Variant F airplanes. Model technical-support.html. The FAA is issuing this AD to address A300 C4–620 airplanes are not (4) You may view this service information the unsafe condition on these products. at the FAA, Office of the Regional Counsel, certificated by the FAA and are not DATES: This AD is effective December included on the U.S. type certificate Southwest Region, 10101 Hillwood Pkwy., 14, 2020. Room 6N–321, Fort Worth, TX 76177. For data sheet; this AD therefore does not The Director of the Federal Register include those airplanes in the information on the availability of this approved the incorporation by reference material at the FAA, call 817–222–5110. applicability. of a certain publication listed in this AD (5) You may view this service information The FAA issued a notice of proposed as of December 14, 2020. that is incorporated by reference at the rulemaking (NPRM) to amend 14 CFR National Archives and Records ADDRESSES: For the material part 39 to supersede AD 2017–18–17, Administration (NARA). For information on incorporated by reference (IBR) in this Amendment 39–19026 (82 FR 43160, the availability of this material at NARA, AD, contact the EASA, Konrad- September 14, 2017) (‘‘AD 2017–18– email [email protected], or go to: https:// Adenauer-Ufer 3, 50668 Cologne, 17’’). AD 2017–18–17 applied to all www.archives.gov/federal-register/cfr/ibr- Germany; phone: +49 221 8999 000; Airbus SAS Model A300 B4–603, A300 locations.html. email: [email protected]; internet: B4–620, A300 B4–622, A300 B4–605R, www.easa.europa.eu. You may find this A300 B4–622R, A300 F4–605R, A300 Issued on October 23, 2020. IBR material on the EASA website at F4–622R, and A300 C4–605R Variant F Lance T. Gant, https://ad.easa.europa.eu. You may airplanes. The NPRM published in the Director, Compliance & Airworthiness view this IBR material at the FAA, Federal Register on June 8, 2020 (85 FR Division, Aircraft Certification Service. Airworthiness Products Section, 35016). The NPRM was prompted by a [FR Doc. 2020–24675 Filed 11–6–20; 8:45 am] Operational Safety Branch, 2200 South report indicating that the material used BILLING CODE 4910–13–P 216th St., Des Moines, WA. For to manufacture the upper frame feet was information on the availability of this changed and negatively affected the material at the FAA, call 206–231–3195. fatigue life of the frame feet, and a It is also available in the AD docket on determination that more work is

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