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
38-31 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-32	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-32	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-32 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-32 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-32 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-33	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-33	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-33 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-33 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-33 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-34 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-34 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-34 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-35	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-35	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-35 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-35 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-35 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-36	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-36	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-36 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-36 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-36 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-37 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-37 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-37 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-38	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-38	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-38 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-38 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-38 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-39	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-39	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-39 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-39 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-39 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-40 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-40 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-40 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-41 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-41 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-41 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-42 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-42 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-42 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-43	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-43	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-43 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-43 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM