ATA 54 — Nacelles / Pylons

15,646 parts classified under this chapter

Reliability rollup

80%Median scrap propensity

3,907 parts · 7,759 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
1159P41100-75	Cowl Assembly (Inlet for TAY-620 Engine)	—	—	54	—	OEM
1159P41150-5	Cowl Assembly LH and RH (Inlet for TAY-650 Engine)	—	—	54	—	OEM
1159P41150-5 and -7	Cowl Assembly LH and RH (Inlet for TAY-650 Engine)	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41150-5, 1159P41150-7	Cowl Assembly LH and RH (Inlet for TAY-650 Engine)	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41150-7	Cowl Assembly LH and RH (Inlet for TAY-650 Engine)	—	—	54	—	OEM
1159P41150-91159P41150-211159P41150-411159P41150-43	Inlet Assemble	—	Gulfstream GIV	54	—	OEM
1159P41210-3, -4, -9, and -10	Door Assembly Upper Cowl	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41230-5 and -7	Door Assembly, Lower Cowl	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41260-1 thru -4	Cowl Assembly, Fixed	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41440-3, -4, -7, -8, -41, and -42	Aft Cowl Assembly	Grumman Aerospace Corp	—	54	Structures	PMA
1159P41920145	FAIRING	—	Gulfstream GIV	54	Structures	PMA
1159P5026749	STRAP	—	—	54	unknown	OEM
1159P5026750	STRAP	—	—	54	unknown	OEM
1159P5026751	STRAP	—	—	54	unknown	OEM
1159P5026753	STRAP	—	—	54	unknown	OEM
1159P5026775	STRAP	—	—	54	unknown	OEM
115A2156U9	ANGLE	—	737-700 737	54	unknown	OEM
115A29829	SUPPORT BRACKET	Boeing	737-600 737-700+3	54	Structures	OEM
115A64202	SUPPORT	—	737-600 737-700+2	54	unknown	OEM
116A4411U2	SKIN	Boeing	737-800	54	Structures	OEM
116A550256	RIB	Boeing	737-800	54	Structures	OEM
117-230471	cowling up assy lh	Eurocopter	—	54	Structures	OEM
117-230551	117-230551engine upper back cowli	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-23101-01	crest cowling instl	airbus helicopters inc american eurocopter	EC145	54	Structures	OEM
117-23205-02	cowling assy rh	Eurocopter	—	54	Structures	OEM
117-23205-51	cowling assy lh	airbus helicopters inc american eurocopter	EC145	54	Structures	OEM
117-23206-02	mod.door instl.trans.cowli	Eurocopter	—	54	Structures	OEM
117-23303-22	door instl.cowl eng rh	Eurocopter	—	54	Structures	OEM
117-23303-53	door instl.cowling engine	Eurocopter	—	54	Structures	OEM
117-23327-02	retain.assy ctr cow.en.rh	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-233671	cowling engine center upper	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-233811	mod.cowling engine lh	Eurocopter	—	54	Structures	OEM
117-23401-01	aft cowling instl.lh	airbus helicopters inc american eurocopter	EC145	54	Structures	OEM
117-23401-02	aft cowling instl.rh	Eurocopter	—	54	Structures	OEM
117-234451	mod.cowling engine up.lh	Eurocopter	—	54	Structures	OEM
117-600601	fire wall fwd centre	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-600631	fire wall fwd outside lh	Eurocopter	EC145	54	Structures	OEM
117-600671	fire wall fwd top lh	Eurocopter	—	54	Structures	OEM
117-600701	support fire wall fwd assy	Eurocopter	—	54	Structures	OEM
117-66230-07	fire wall assy fwd lh	Eurocopter	—	54	Structures	OEM
117-66230-08	fire wall assy fwd rh	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-85413-01	catcher-crest cowling	airbus helicopters inc american eurocopter	EC145	54	Structures	OEM
117-85415-01	doubler-crest cowling	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117-SB20-105-3.1	mod.engine fairing ass	Eurocopter	EC145	54	Structures	OEM
117-SB20-112-3.1	engine cowling seal	airbus helicopters inc american eurocopter	—	54	Structures	OEM
117600651	COVER	—	EC145	54	unknown
117601131	FIREWALL	—	EC145	54	Structures	PMA
1176623541	FIREWALL	—	EC145	54	unknown	OEM
1176625501	FIREWALL	—	EC145	54	Structures
1176625502	FIREWALL	—	EC145	54	Structures	OEM