ATA 85 — Reciprocating Engine

20,859 parts classified under this chapter

Reliability rollup

91%Median scrap propensity

2,637 parts · 5,796 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
38-43 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-44 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-44 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-44 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-45	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-45	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-45 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-45 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-45 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-46 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-46 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-46 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-47	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-47	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-47 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-47 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-47 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-48	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-48	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-48 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-48 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-48 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-49	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-49	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-49 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-49 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-49 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-50	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-50	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-50 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-50 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-50 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-51	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-51	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-51 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-51 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-51 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-52 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-52 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-52 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-53 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-53 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-53 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-54 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-54 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-54 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-55	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-55	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-55 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-55 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM