SDR ASMF201511009

Service difficulty report · Actuator Valve · Boeing 7772Q8

Difficulty date: November 12, 2015
Submitted: November 25, 2015
Operation: Air carrier
Aircraft: N774AM
Make and model: Boeing 7772Q8
Aircraft serial: 28689
Aircraft time: 58,003 hours, 8,304 cycles
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Actuator Valve
Part number: MA30A1001
Part serial: U03014
Condition: Failed
Location: Fuel System
Part time: 30,303 hours, 3,305 cycles
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

AIRCRAFT RETURNED TO PLATFORM DUE TO DURING LT ENG START THE MSG IN EICAS & STATUS OF ENG FUEL VLV LT, SPAR VLV LT & LIGHTS TURNED ON. PERFORMED FIM 28-20 TASK 801 PROCEDURE, DETECTING THE LT SPAR VLV ACTUATOR FAILED. THE LT SPAR VLV ACTUATOR WAS REPLACED IAW AMM 28-22-02, TESTED CORRECT.

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