SDR UIEA2025102901285

Service difficulty report · Pump · Boeing 7474B5F

Difficulty date: October 29, 2024
Submitted: October 31, 2025
Operation: Air carrier
Aircraft: N446MC
Make and model: Boeing 7474B5F
Aircraft serial: 33517
Aircraft time: 89,299 hours, 15,263 cycles
System (JASC): 7314 · Engine Fuel Pump
Part: Pump
Part number: 82550112
Part serial: 4736
Condition: Inoperative
Location: Nr 3 Engine
Stage of operation: DE
How discovered: O
Nature of condition: J, Y
Precautionary procedure: E

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ENGINE 3 FUEL VALVE EICAS MSG RESULTING IN ENGINE FAILURE, UNABLE TO RESTART(<P>MX MSG 73077. C/W FIM 71-00-980 WIRE CHECKS, NO DEFECTS NOTED. R/R #3 ENG FUEL PUMP IAW AMM 73-11-01. R/R #3 ENG FUEL METERING UNIT IAW AMM 73-21-01. LK & OPS CHK OK. C/W ENG WINDMILLING INSPECTION, NO DEFECTS NOTED PER AMM 72-00-00.

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