SDR IPXA2017082921148

Service difficulty report · Fmu · Doug MD11F

Difficulty date: August 29, 2017
Submitted: August 30, 2017
Operation: Air carrier
Aircraft: N289UP
Make and model: Doug MD11F
Aircraft serial: 48455
Aircraft time: 96,073 hours, 17,186 cycles
Engine: Pwa PW4460
System (JASC): 7320 · Fuel Controlling System
Part: Fmu
Condition: Malfunctioned
Location: Nr 3 Engine
Stage of operation: NR
How discovered: O
Nature of condition: R, J
Precautionary procedure: E, A

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

What was found

NUMBEROUS FAULTS DISPLAYED DURING FLIGHT ON NR 3 ENGINE. SELECT FADEC ALT RPM LO COMPLETED BOTH CHECKLISTS. ENGINE RELIGHT, NR 3 ENGINE FADEC MAINT REMAIN FOUND NR 3 ENG FADEC FAULT CODE 351-19 , FMU FF VALVE POS, TROUBLESHOT IAW FRM/FIM 73-21-00-101 STEP 1-3, NO FAULTS FOUND. SUSPECT FMU. R & R THE FMU IAW AMM 73-21-01-400-868 2. OPS & LEAK CHECKED NORMAL DURING ENG IDLE RUN.

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