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In the text of ADs · 148
AD 2005-19-10HistoricalSUPPLEMENTARY INFORMATION…Only certain types of constant delta P diaphragms have been identified as being capable of being improperly assembled. Engine serial…AD 2020-13-08Request To Include Reference to Later Revisions of Engine ManualDelta requested that the FAA include a reference to “and later approved revisions” when referencing the GE Engine Manual in…AD 2021-05-16HistoricalRequest to the Revise a DefinitionDelta requested that the FAA revise paragraph (h)(1) of this AD to restrict the definition of “engine shop visit…AD 2020-25-09Request To Update Service Information…Delta noted that the accomplishment of SB PW4G-100-72-220 installs a Talon IIB combustor, and 3rd stage duct…AD 2018-14-10Request To Change Compliance Requirements…Delta also requested that the list of engine serial numbers (ESNs) referenced in paragraph (g)(1) of this AD, which…AD 2024-06-04Request To Update Definition of Engine Shop Visit and HPC Engine Shop Visit…Delta noted that the definition for “engine shop visit” includes the term “pairs” when defining separation of major mating engine…AD 2018-22-06Request To Increase Cost Estimate for PartsPW and Delta Air Lines (Delta) requested that we change the estimated parts cost to $25,482 per engine. The…AD 2007-19-09HistoricalDiscussion…the constant delta pressure valve diaphragm on Arriel 2B1 engines, due to the wear of the delta P diaphragm fabric…AD 2018-12-02Request To Change “Modify” to “Inspect and Disposition”…Additionally, Delta asked that the proposed AD specify that replacement of a forward mount assembly containing an affected main beam…AD 2021-14-11Request To Clarify Inspection InstructionsDelta requested that the FAA clarify that the mandated visual and FPI inspections should be accomplished in accordance with the…AD 2020-25-09Request To Include Available Fleet Data…cycles or greater in operation on engines with a Talon IIB combustor. Delta stated that the Discussion paragraph of the…AD 2018-25-12HistoricalRequest To Clarify Applicability…and it must write an engineering document stating that its airplanes are not affected. Delta stated that, in this example…AD 2018-12-02Request To Change Parts Installation Prohibition…affected forward engine mount assembly within the compliance windows defined in paragraph (j) of the proposed AD. Delta stated that…AD 2026-04-13Request To Change Compliance Time RequirementsDelta requested that the FAA revise paragraph (h) of the proposed AD to add an exception for Group 1 engines…AD 2021-14-13Request To Clarify Removal From Service…Delta added that the engine manual provides a repair option of knife-edge cracks caused by mechanical damage.
The FAA…AD 2015-22-03Request To Change DefinitionsUnited Airlines and Delta Airlines requested that the Definitions paragraph be changed. United Airlines requested we change the definition of…AD 2020-04-17Request To Revise Reporting Compliance Time…Delta noted that maintenance personnel often do not report findings to engineering until closure of the maintenance visit/check, which…AD 2018-05-04Request To Remove Requirement for Placard InstallationDelta requested that we remove the proposed requirement to install a placard at the applicable location specified in paragraph (g…AD 2007-03-14Historical(d) Reason…HMU)) constant delta pressure valve diaphragm on Arriel 2B1 engines, due to the wear of the delta P diaphragm fabric…AD 2015-22-03Request To Change Applicability…including models with a “-3” suffix...” following the listed engine models as required.