SDR UIEA2018111432600

Service difficulty report · Pump · Boeing 7474B5F

Difficulty date: November 11, 2018
Submitted: November 14, 2018
Operation: Air carrier
Aircraft: N445MC
Make and model: Boeing 7474B5F
Aircraft serial: 33515
Aircraft time: 66,449 hours, 11,204 cycles
Engine: Pwa PW4062
System (JASC): 7314 · Engine Fuel Pump
Part: Pump
Part number: 7911004111
Part serial: 40000194
Condition: Malfunctioned
Location: Nr 1 Eng Fuel
Stage of operation: TO
How discovered: O
Nature of condition: R, J
Precautionary procedure: C

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

What was found

NR 1 ENGINE DID NOT MAKE TAKEOFF THRUST, 1.46 EPR TARGET THRUST, ENGINES 2, 3, 4 & 1.6 EPR. REJECTED THE TAKEOFF AT 95-100KTS. IAW FIM 71-00 FAULT TREE 401C, TROUBLESHOT TO A LEAKING BP SENSE LINE ON THE NR 1 ENGINE TO EEC. R & R THE NR 1 ENGINE EEC, FUEL PUMP, AND FMU. ALL FOUND SATISFACTORY.

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