ATA 77 — Engine Indicating

7,439 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
3255-7304	Transducer, Pressure –Absolute, Amplifying	Ametek Aerospace and Defense, A Division of AMETEK Inc.	—	77	Interior / Furnishings	PMA
32916782	VALVE	Honeywell	717-200	77	unknown	OEM
3301KGAMS1	TACH GENERATOR	SMITHSIND	757-200 757-300+1	77	Instruments	OEM
330A77-3243-20	tige de commande	airbus helicopters inc american eurocopter	—	77	Engine Accessories	OEM
330A77-3333-21	guard	airbus helicopters inc american eurocopter	—	77	Structures	OEM
330A77-3612-20	balance weight	Eurocopter	—	77	Structures	OEM
330A77-3629-00	n-t ensemble clip	airbus helicopters inc american eurocopter	—	77	Consumables / Hardware	OEM
330A77-4081-01	box assy	Eurocopter	—	77	Avionics / Electronics	OEM
3310-00069	tachometer 3 aircraft	WACO	—	77	Instruments	OEM
331EDP12	DISPLAY	—	Jetstream 41	77	unknown	OEM
332000002	TACHOMETER	—	C206 Stationair	77	Instruments	OEM
33275190004	COMPUTER	—	A330-200	77	Avionics / Electronics	OEM
332A06-3220-20	torquemeter shaft	Eurocopter	AS332 Super Puma	77	Engine Accessories	OEM
332A07-23-535-71	torquemeter trasmitter flow	Eurocopter	AS332 Super Puma	77	Instruments	OEM
332A1023	WIRE	—	737-300 737	77	Consumables / Hardware	OEM
332A97-5200-02	harness kit ng-nr makila 1a1	Eurocopter	AS332 Super Puma	77	Electromechanical	OEM
332A97-5202-00	adaptation kit ng-nr-ch	Eurocopter	AS332 Super Puma	77	Consumables / Hardware	OEM
333000017	TACHOMETER	—	—	77	Instruments	OEM
33B3190	Thermocouple - EGT	Hamilton Sundstrand	—	77	Instruments	PMA
33B4661-01	Sensor - N1 Speed	Hamilton Sundstrand	—	77	Instruments	PMA
33B8327-02	N1 Speed Sensor	Hamilton Sundstrand	—	77	Instruments	PMA
340-401-101-0	Bearing Sensor	—	—	77	—	OEM
340-401-101-0	Bearing Sensor	—	—	77	—	OEM
340-401-501-0	FFCC Vibration Sensor	—	—	77	—	OEM
340-401-501-0	FFCC Vibration Sensor	—	—	77	—	OEM
3404025030	PROBE	—	737-800	77	unknown	OEM
3404025040	PROBE	—	737-900	77	unknown	OEM
3404025050	THERMOCOUPLE	CFMINT	737-800	77	Instruments	OEM
340760	speed detector	Eurocopter	—	77	Instruments	OEM
340D8516-503	Resistance Temperature Detector	—	A330-300 C340	77	—	OEM
341A35-0162-11	arbre couplemetre rt79560r02	Eurocopter	—	77	Instruments	OEM
341A77-1125-20	support	Eurocopter	—	77	Structures	OEM
35-530-1000	CONDITIONER-SIGNAL	—	—	77	—
35-530-1001	CONDITIONER-SIGNAL	—	—	77	—
35-530-1002	CONDITIONER-SIGNAL	—	—	77	—
35-531-1000	COMPENSATOR-COLD JUNCTION	—	—	77	—
35-713-1000	CONDITIONER-N2-SIGNAL	—	—	77	—
35-713-1001	CONDITIONER-N2-SIGNAL	—	—	77	—
350-2751	Dual Tach Indicator N2 Engine/NR Rotor	Soloy LLC	—	77	Powerplant	PMA
350-702-703-0	T3 Probe	—	—	77	Avionics / Electronics	OEM
350-702-703-0	T3 Probe	—	—	77	Instruments	OEM
350-719-501-0	T25 Sensor	—	—	77	—	OEM
350-719-501-0	T25 Sensor	—	—	77	—	OEM
350-719-502-0	Temp Sensor GE90 T25	—	—	77	—	OEM
350-719-502-0	Temp Sensor GE90 T25	—	—	77	—	OEM
350A-82-1283-03	Indicator, T4 Temp	Soloy LLC	—	77	Avionics	PMA
350A-82-1285-01	Harness accumulation T4 Temp Indicating System	Soloy LLC	—	77	Avionics	PMA
350A-82-1337-01	Assembly-Tube, Torque Transmitter	Soloy LLC	—	77	Avionics	PMA
350A07-0878-71	t4 dual indicator	airbus helicopters inc american eurocopter	—	77	Instruments	OEM
350A07-1239-71	xi rotor-rpm mod	airbus helicopters inc american eurocopter	AS350 Ecureuil	77	Instruments	OEM