ATA 78 — Exhaust

17,371 parts classified under this chapter

Reliability rollup

100%Median scrap propensity

2,199 parts · 4,065 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
121424-1-1	ball screw and gear box	Boeing	747	78	unknown	OEM
121424-2-1	ball screw and gear box	Boeing	747	78	Flight Controls	OEM
121424-3-1	ball screw and gear box	Boeing	747-100 747-200+1	78	Flight Controls	OEM
121424-4-1	gear box	Boeing	747-100 747	78	unknown	OEM
121424-5-1	Ball Screw	Honeywell	747-400 747-100+4	78	Pneumatics	PMA
12146021	FLEX SHAFT	—	—	78	unknown	OEM
121524-5	Nozzle Actuator	Honeywell	—	78	Electromechanical	PMA
121524-7	Nozzle Actuator	Honeywell	—	78	Electromechanical	PMA
121532-001F	Cushion	Franklin Products Inc.	757-200	78	Engine Accessories	PMA
121532-01	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-01	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-03	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-03	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-03F	Cushion	Franklin Products Inc.	757-200	78	Engine Accessories	PMA
121532-05	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-05	Cushion	—	757-200	78	Interior / Furnishings	OEM
121532-05F	Cushion	Franklin Products Inc.	757-200	78	Engine Accessories	PMA
121652-1-1	Flex Shaft	Honeywell	747-400 A330-200+11	78	Pneumatics	PMA
1217243	DRIVE SHAFT	ARONCA	Learjet 35	78	Electromechanical
121728-1	Flex Drive	Honeywell	—	78	Electromechanical	PMA
121734-2	Flex Drive	Honeywell	747	78	Pneumatics	PMA
121734-3	Flex Drive	Honeywell	747	78	Pneumatics	PMA
121734-4	Flex Drive	Honeywell	747	78	Engine Accessories	PMA
121734-5	Shaft, Drive Flexible	Honeywell	747	78	Pneumatics	PMA
121734-6	Shaft, Drive Flexible	Honeywell	747	78	Pneumatics	PMA
121746-1	Flexshaft	Honeywell	A330-200 DC-10+6	78	Flight Controls	PMA
121746-5	Flexshaft	Honeywell	A330-200 DC-10+6	78	Flight Controls	PMA
1217542	DRIVE SHAFT	Honeywell	CRJ-200	78	unknown	OEM
1217545	DRIVE SHAFT	Honeywell	CRJ-200	78	Engine Accessories	OEM
1217546	DRIVE SHAFT	Honeywell	CRJ-200	78	Engine Accessories	OEM
122510	HOUSING	—	737-200 727+1	78	unknown
1225P11	PRESSURE SWITCH	—	737-200 737	78	Environmental / Cabin	PMA
12281	Manifold Assembly	—	—	78	Engine Accessories	OEM
122852-01	Cushion	—	—	78	Interior / Furnishings	OEM
122852-01	Cushion	—	—	78	Interior / Furnishings	OEM
122852-02	Cushion	—	—	78	Interior / Furnishings	OEM
122852-02	Cushion	—	—	78	Interior / Furnishings	OEM
122852-03	Cushion	—	A319	78	Interior / Furnishings	OEM
122852-03	Cushion	—	A319	78	Interior / Furnishings	OEM
122852-03F	Cushion	Franklin Products Inc.	A319	78	Engine Accessories	PMA
122852-04	Cushion	—	A319	78	Interior / Furnishings	OEM
122852-04	Cushion	—	A319	78	Interior / Furnishings	OEM
122852-04F	Cushion	Franklin Products Inc.	A319	78	Engine Accessories	PMA
1235-1	Wasteqate Exhaust Overboard Pipe	Ram Aircraft Limited Partnership	—	78	Engine Accessories	PMA
123863-01	Cushion	—	—	78	Interior / Furnishings	OEM
123863-01	Cushion	—	—	78	Interior / Furnishings	OEM
123863-03	Cushion	—	—	78	Interior / Furnishings	OEM
123863-03	Cushion	—	—	78	Interior / Furnishings	OEM
123863-11	Cushion	—	A320	78	Interior / Furnishings	OEM
123863-11	Cushion	—	A320	78	Interior / Furnishings	OEM