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
Pratt & Whitney 1B4730	Thermocouple Element T/C & Flange Assembly	—	—	77	Instruments	OEM
Pratt & Whitney 3041279	Thermocouple	—	—	77	Instruments	OEM
Pratt & Whitney 3120096-01	Thermocouple Assembly	—	—	77	Instruments	OEM
Pratt & Whitney 3120096-01	Thermocouple Assembly	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney 3121657-01	Thermocouple Kit	—	—	77	Engine Accessories	OEM
Pratt & Whitney 3121657-02	Thermocouple Kit	—	—	77	Instruments	OEM
Pratt & Whitney 50J761	Thermocouple - immersion	—	—	77	Instruments	OEM
Pratt & Whitney 50P066 Simmonds Precision 5255	Thermocouple, Installation	—	—	77	Instruments	OEM
Pratt & Whitney 50P165	Thermocouple - immersion	—	—	77	Instruments	OEM
Pratt & Whitney 50U730	Cable, Thermocouple T3	—	—	77	Instruments	OEM
Pratt & Whitney 53T424	T/C Immersion	—	—	77	Instruments	OEM
Pratt & Whitney 53T424	T/C Immersion	—	—	77	Instruments	OEM
Pratt & Whitney 53T903	Immersion T/C	—	—	77	Instruments	OEM
Pratt & Whitney 58T265	Cable - EGT, TT3	—	—	77	Instruments	OEM
Pratt & Whitney 611746	Surge Detector	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney 771095	Thermocouple	—	—	77	Instruments	OEM
Pratt & Whitney 777925	Thermocouple	—	—	77	Instruments	OEM
Pratt & Whitney 777928	Thermocouple	—	—	77	Instruments	OEM
Pratt & Whitney 797229	Surge Detector	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney Canada 30J1580-03	Sensor, T1	—	—	77	Instruments	OEM
Pratt & Whitney Canada 3115557-01	Sensor-Torque	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney Canada 3115557-01	Sensor-Torque	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney Canada 3115558-01	Sensor-Torque	—	—	77	Instruments	OEM
Pratt & Whitney Canada 3115558-01	Sensor-Torque	—	—	77	Instruments	OEM
Pratt & Whitney Canada 3116942-01	Sensor-Torque Monitor	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney Canada 3116942-01	Sensor-Torque Monitor	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney Canada 3122406-04	EMS800-1 Engine Monitoring Unit	—	—	77	Instruments	OEM
Pratt & Whitney Canada P/N 3024120	Busbar-Thermocouple Assembly	—	—	77	Instruments	OEM
Pratt & Whitney P/N 663473	Thermocouple Harness, Right	—	—	77	unknown	OEM
Pratt & Whitney P/N 663485	Thermocouple Harness, Left	—	—	77	unknown	OEM
Pratt & Whitney P/N 664236	Thermocouple Harness	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 704044	Thermocouple Harness	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 771444	Thermocouple Harness, Left	—	—	77	unknown	OEM
Pratt & Whitney P/N 776443	Thermocouple Harness	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 776803	Thermocouple Harness, Right	—	—	77	unknown	OEM
Pratt & Whitney P/N 792863	Thermocouple Harness	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 1B7555	Probe, Element, Replacement	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 3025561	FLAT WASHERS	—	—	77	Instruments	OEM
Pratt & Whitney P/N 3025561	FLAT WASHERS	—	—	77	Instruments	OEM
Pratt & Whitney P/N 3039532 OPTIONAL P/N's 3037287 3104585-01 3116133-01	Thermocouple Assembly	—	—	77	Instruments	OEM
Pratt & Whitney P/N 3041279	THERMOCOUPLE	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 3041279	THERMOCOUPLE	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney P/N 3116132-01 OPTIONAL P/N 3113672-01	Thermocouple Assembly	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney P/N 3121657- 01 Rev. Dated	Thermocouple Kit	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 3121657-01	THERMOCOUPLE KIT	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 3121657-01	THERMOCOUPLE KIT	—	—	77	Avionics / Electronics	OEM
Pratt & Whitney P/N 3121657-02	THERMOCOUPLE KIT	—	—	77	Instruments	OEM
Pratt & Whitney P/N 3121657-02	THERMOCOUPLE KIT	—	—	77	Instruments	OEM
Pratt & Whitney P/N 3121657-02 Rev. Dated	Thermocouple Kit	—	—	77	Engine Accessories	OEM
Pratt & Whitney P/N 51U168	Cable, Thermocouple T3	—	—	77	Avionics / Electronics	OEM