ATA 77 — Engine Indicating

7,546 parts classified under this chapter

Reliability rollup

96%Median scrap propensity

1,516 parts · 4,652 SDR reports

From FAA Service Difficulty Reports

Part Number	Description	Manufacturer	Airframe	ATA	Category	Status
889312	SENSOR	—	717-200	77	unknown	OEM
889313	SENSOR	WESTON	717-200 Global Express	77	unknown	OEM
8901-002	Sensor Assembly - Temperature	Woodward	—	77	Instruments	PMA
8901-056	SENSOR OUTLINE CIT	Woodward	—	77	Instruments	PMA
8901-078	CIT SENSOR	Woodward	—	77	Instruments	PMA
8901-180 DWG NO 9994-382 REV B DTD 6/25/81	CIT SENSOR	Woodward	—	77	Instruments	PMA
8901-205	CIT SENSO	Woodward	—	77	Instruments	PMA
8901-248	Sensor Assembly - Temperature	Woodward	—	77	Instruments	PMA
8901-278	CIT SENSOR	Woodward	—	77	Instruments	PMA
8901-298	Sensor - Assembly TT2	Woodward	—	77	Instruments	PMA
8901-314 DWG NO 9994-452 REV A DTD 5/29/85	COMPRESSOR INLET TEMPERATURE (CIT) SENSOR	Woodward	—	77	Instruments	PMA
8901-318 DWG NO 9994-454 REV B DTD 11/25/85	N1 SPEED SENSOR	Woodward	—	77	Instruments	PMA
8901-320 DWG NO 9994-463 REV A DTD 7/19/85	SENSOR, COMPRESSOR INLET TEMP	Woodward	—	77	Instruments	PMA
8901-328 DWG NO 9994-476 REV - DTD 2/2/85	T2 SENSOR	Woodward	—	77	Instruments	PMA
8901-360	Sensor - Assembly TT2	Woodward	—	77	Instruments	PMA
8901-366	TT2 Sensor	Woodward	—	77	Instruments	PMA
8901-370	Sensor, T1 Temperature	Woodward	—	77	Instruments	PMA
8901185	SENSOR	Woodward	767-200	77	unknown	OEM
8901218	CIT SENSOR	—	DC-10-30	77	unknown
8901224	CIT SENSOR	Woodward	DC-10-30 DC-10-30F	77	Instruments	OEM
8901254	SENSOR	—	767-300	77	unknown	OEM
8908-002 DWG NO 9994-454 REV E DTD 1/26/87	N1 SENSOR	Woodward	—	77	Instruments	PMA
8908-005	Probe Assembly - PT2	Woodward	—	77	Instruments	PMA
8908-006	N1 Sensor Assembly	Woodward	—	77	Instruments	PMA
8924696	LEAD	—	Jetstream 31	77	unknown
8953804	BYPASS VALVE	—	Jetstream 31	77	unknown
8972052	EGT COMPENSATOR	—	Jetstream 31 C441 Conquest	77	Instruments	OEM
89720524	COMPENSATOR	—	C441 Conquest	77	unknown
8972052C	EGT COMPENSATOR	—	Jetstream 31	77	Instruments	OEM
8972053	EGT RESISTOR	—	—	77	Instruments
8972605	PRESS TRANSDUCER	—	Jetstream 31	77	Instruments
8972605M	AP/P BOX	—	Jetstream 41	77	unknown
8973312	TTL VLV	—	Jetstream 31	77	unknown
897457	TTL VALVE	—	Jetstream 31	77	unknown
8974573	BYPASS VALVE	—	Jetstream 31	77	unknown
8974676	HARNESS	—	Jetstream 31	77	unknown
8974691	EGT INDICATION	—	—	77	unknown
8974696	EGT SOFT HARNESS	Honeywell	Jetstream 31	77	Instruments	OEM
897476	COMPENSATOR	—	Jetstream 31	77	unknown	OEM
8974763	EGT COMPENSATOR	—	Jetstream 31	77	Instruments
8974764	EGT COMPENSATOR	—	Jetstream 31	77	Instruments
8974764L	EGT COMPENSATOR	—	Jetstream 31	77	Instruments	OEM
8974768	EGT CONNECTOR	GARRTT	Jetstream 31 C441 Conquest	77	Instruments	OEM
897476PR	COMPENSATOR	Honeywell	Jetstream 31	77	Hydraulics	OEM
8AC1AAB1	EVM Acceleromter	Ametek Aerospace and Defense, A Division of AMETEK Inc.	—	77	Instruments	PMA
8D1273	Switch Assembly	—	767	77	Electromechanical	OEM
8D1274	XMTR	Custom Control Sensors International	767	77	Instruments	OEM
8DJ100WAS2	GAUGE	—	—	77	Electromechanical	PMA
8DJ116WAY1	INDICATOR	—	L-1011 TriStar	77	Instruments	OEM
8DJ131LAV1	TACHOMETER	—	Bell 212	77	Instruments	OEM