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
53U044	FUEL METERING UNIT	—	—	77	Fuel Systems	OEM
53U044	FUEL METERING UNIT	—	—	77	Fuel Systems	OEM
54009497	VALVE	PWC	Dash 8-400 Dash 8	77	Fuel Systems	OEM
5401514	EGT Probe	—	—	77	Instruments	OEM
5401514	EGT Probe	—	—	77	Instruments	OEM
5401594	T3 Thermocouple Temperature Probe	—	—	77	Instruments	OEM
5401594	T3 Thermocouple Temperature Probe	—	—	77	Instruments	OEM
5404939	P4.9 Pressure Probe	—	—	77	Instruments	OEM
5404939	P4.9 Pressure Probe	—	—	77	Instruments	OEM
5405811	N1 Probe	—	—	77	Instruments	OEM
5405811	N1 Probe	—	—	77	Instruments	OEM
5405813	N2 Speed Sensor	—	—	77	Instruments	OEM
5405813	N2 Speed Sensor	—	—	77	Instruments	OEM
5407114	Oil Quantity Transmitter	—	—	77	Instruments	OEM
540967	—	Pratt & Whitney	DC-9 MD-80+2	77	Engine Accessories
540978	Alumel Lead	—	DC-9 MD-80+2	77	Engine Accessories	OEM
54237138010	INDICATOR	—	—	77	Instruments	PMA
54271168010	INDICATOR	Thales	Dash 8-400 Dash 8	77	Instruments	OEM
54285538010	INDICATOR	—	Falcon 900	77	Instruments	OEM
54287068010	INDICATOR	—	—	77	unknown
543944	rotor tach indicator	JAEGER	—	77	Instruments	OEM
5448-712-91-10C	n1 indicator	sikorsky aircraft corporation	—	77	Instruments	OEM
54487099111	INDICATOR	—	EC145	77	unknown	OEM
54487129110	INDICATOR	—	S-76	77	Instruments
545344	tachymetric type 470-0 transmitter	Eurocopter	—	77	Avionics / Electronics	OEM
54B1S	Nickel RTD	Lewis Engineering Co, Coltec Industries	—	77	Instruments	PMA
55006003	INDICATOR	—	DC-8	77	Instruments	PMA
55007-005	TURBINE RPM IND	—	—	77	Instruments
5510-3	tach gen	other	—	77	Instruments	OEM
55108 Rev. -dated 8/6/97	Adapter	RdF Corporation	—	77	Consumables / Hardware	PMA
55161	GASKET	RdF Corporation	—	77	Instruments	PMA
55161 Rev. -Dated 9/6/97	Gasket	RdF Corporation	—	77	Consumables / Hardware	PMA
55162	GASKET	RdF Corporation	—	77	Instruments	PMA
55162 Rev. -Dated 8/6/97	Gasket	RdF Corporation	—	77	Consumables / Hardware	PMA
55163 Rev. -Dated 8/6/97	Top Seal Plate	RdF Corporation	—	77	Consumables / Hardware	PMA
55164 Rev. -Dated 8/6/97	Bottom Seal Plate	RdF Corporation	—	77	Consumables / Hardware	PMA
55165	FLAT WASHERS	RdF Corporation	—	77	Instruments	PMA
55691-003-1	MECHANICAL FRAME MODULE	—	—	77	Instruments
55691-004-1	MECHANICAL FRAME MODULE	—	—	77	Instruments
55691-014-1	MECHANICAL FRAME MODULE	—	—	77	Instruments
55691-021-1	COUNTER MODULE	—	—	77	Instruments
55691-023-1	COUNTER MODULE	—	—	77	Instruments
55691-025-1	COUNTER MODULE	—	—	77	Instruments
55691-027-1	MODULE MECHANICAL FRAME	—	—	77	Instruments
55692-500-1	POWER SUPPLY MODULE	—	—	77	Instruments
55692-511-1	SERVO AMPLIFIER MODULE	—	—	77	Instruments
55692-515-1	DUAL SLOPE A/D CONVERTER MODULE	—	—	77	Instruments
55692-520-1	RATE OF FOLLOW AND SEQUENCE MODULE	—	—	77	Instruments
55692-522-1	RATE OF FOLLOW AND SEQUENCE MODUAL	—	—	77	Instruments
55692-530-1	ADAPTATION MODULE	—	—	77	Instruments