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
51U168	Cable, Thermocouple T3	—	—	77	Instruments	OEM
51U168	Cable, Thermocouple T3	—	—	77	Instruments	OEM
51U35001	TUBE	RAYTHN	777-200	77	unknown	OEM
52001094	LINE	Cessna	C402	77	unknown	OEM
5200109R	LINE	—	C402	77	unknown	OEM
520549	Air Turbine Motor Tach Ind	AMETEK Aerospace	—	77	Instruments	PMA
521236	RPM APU Indicator	AMETEK Aerospace	—	77	Instruments	PMA
521237	RPM APU Indicator	AMETEK Aerospace	—	77	Instruments	PMA
521241	Turbine Gas Temp Ind	AMETEK Aerospace	—	77	Instruments	PMA
521242	EGT APU Indicator	AMETEK Aerospace	—	77	Instruments	PMA
521689F1	indicator-nacelle temp	Boeing	—	77	Instruments	OEM
522453	Eng Vib Monitor	AMETEK Aerospace	—	77	Instruments	PMA
522781	INDICATOR	—	C340 Saab 340	77	Instruments	OEM
522782	Vibration Monitor Indicator	AMETEK Aerospace	737-300 C402+3	77	Instruments	PMA
522861	ITT INDICATOR	—	C340 Saab 340	77	unknown
522948	INDICATOR	WESTON	C340 Saab 340	77	Instruments	OEM
5230	Thermocouple Probe, EGT	Unison Industries LLC	—	77	Instruments	PMA
523048	Gas Generator Speed Indicator (Ng)	AMETEK Aerospace	C340	77	Instruments	PMA
523347	ITT INDICATOR	—	C340 Saab 340	77	Instruments	OEM
523401	TORQUE INDICATOR	—	C340 Saab 340	77	Instruments	PMA
523402	PRINTED CKT BOARD	—	C340 Saab 340	77	unknown
523466	ITT Indicator	AMETEK Aerospace	C340	77	Instruments	PMA
523467	Engine Torque Indicator	AMETEK Aerospace	C340	77	Instruments	PMA
525-704-134-0	Thrust Reverser Gearbox	—	—	77	Instruments	OEM
525-705-617-0	Nozzle & Thrust Reverser Controller Assy.	—	—	77	Instruments	OEM
525-705-618-0	Nozzle & Thrust Reverser Controller Assy.	—	—	77	Instruments	OEM
525-705-620-0	Nozzle & Thrust Reverser Controller Assy.	—	—	77	Instruments	OEM
527150H000102	SENSE LINE	—	DA42	77	unknown	OEM
52A203	Probe Total Pressure & Temperature	—	—	77	Instruments	OEM
52A204	Probe Total Pressure & Temperature	—	—	77	Instruments	OEM
52T242	Thermocouple	—	—	77	Avionics / Electronics	OEM
52T510	—	Pratt & Whitney	A330-200 MD-11+5	77	Engine Accessories
52U864	ACCELEROMETER	—	777-200	77	unknown	OEM
5306-255-00-10	engine oil temp.ind	airbus helicopters inc american eurocopter	—	77	Instruments	OEM
5306765	PROBE - SPEED, N1	—	—	77	Instruments	OEM
5306765	PROBE - SPEED, N1	—	—	77	Instruments	OEM
5309240	Elbow Tube to Boss1.500 8 Hole153 Degree	Pratt & Whitney	—	77	Avionics / Electronics	PMA
5309441-01	Bracket Assembly Environmental Control System Precooler Duct	Pratt & Whitney	—	77	Avionics / Electronics	PMA
531100-1	Temperature Core Compartment Sensor	Unison Industries LLC	—	77	Instruments	PMA
5311420	Clamp Block 4-hole .429 x.529	Pratt & Whitney	—	77	Avionics / Electronics	PMA
5311457	Clamp Block 4-Hole .429 x.528	Pratt & Whitney	—	77	Avionics / Electronics	PMA
5312272	PROBE, TEMPERATURE & PRESSURE P2T2	—	—	77	Instruments	OEM
5312272	PROBE, TEMPERATURE & PRESSURE P2T2	—	—	77	Instruments	OEM
5312605	Coupling Clamp Groove7.812	Pratt & Whitney	—	77	Avionics / Electronics	PMA
531380	—	Pratt & Whitney	DC-9 MD-80+2	77	Engine Accessories
5315145	TRANSDUCER	—	A321 A321neo	77	Instruments	OEM
5315154	TRANSDUCER	HMLTNSNSTRND	A321 A321neo	77	unknown	OEM
5316636	Hose Assembly	Pratt & Whitney	—	77	Avionics / Electronics	PMA
5316859	Bracket Assembly Environmental Control System Duct	Pratt & Whitney	—	77	Avionics / Electronics	PMA
5316871-01	Bracket Assy of Loop Clamp	Pratt & Whitney	—	77	Avionics / Electronics	PMA