SDR UALA2011021000705

Service difficulty report · Valve · Boeing 777222

Difficulty date: February 7, 2011
Submitted: February 11, 2011
Operation: Air carrier
Aircraft: N779UA
Make and model: Boeing 777222
Aircraft serial: 26941
Aircraft time: 59,367 hours, 10,740 cycles
Engine: Pwa PW4077
System (JASC): 2820 · Aircraft Fuel Distribution System
Part: Valve
Condition: Faulty
Location: Fuel Nozzle
Stage of operation: IN
How discovered: 9
Nature of condition: O
Precautionary procedure: K

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

What was found

RT FUEL JETT NOZZLE VALVE FAILS TEST IN OPEN POSITION. VALVE TESTS GOOD IN CLOSED POSITION. REMOVED AND STARTED INSTALLATION OF RT FUEL JETT NOZZLE VALVE ACTUATOR. COMPLETED INSTALLATION, NEW VALVE NO HELP. SUSPECT VALVE IS BOUND UP AND STIFF.