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
38-20 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-20 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-21 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-22 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-22 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-22 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-22 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-23 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-23 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-23 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-24 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-24 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-24 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-25	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-25	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-25 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-25 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-25 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-26 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-26 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-26 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-27	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-27	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-27 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-27 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-27 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-28	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-28	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-28 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-28 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-28 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-29	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-29	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-29 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-29 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-29 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-30	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-30	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-30 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-30 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-30 P12	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-31	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-31	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-31 P03	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM
38-31 P07	Stud 3/8 Dia. Fine Thread	—	—	85	Engine Accessories	OEM