SDR AALA201708159007

Service difficulty report · Transfer Valve · Airbus A319112

Difficulty date: August 14, 2017
Submitted: August 16, 2017
Operation: Air carrier
Aircraft: N748UW
Make and model: Airbus A319112
Aircraft serial: 1311
Aircraft time: 45,418 hours, 29,541 cycles
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Transfer Valve
Condition: Erratic
Location: Fuel System
Part time: 47,449 hours, 20,534 cycles
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

OUTER FUEL TRANSFER VALVES NOT WORKING. ON TAKEOFF OUTER TANKS WERE EMPTY. 18.8 ON LANDING, OUTER TANKS HAD 1520 (LT), 1540 (RT). ACCOMPLISHED FUNCTIONAL BITE TEST OF INTERCELL TRANSFER VALVES IAW AMM, NO FAULTS NOTED. COULD NOT DUPLICATE FAULT ON GROUND.

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