SDR UALA2009091102869

Service difficulty report · Solenoid · Boeing 777222

Difficulty date: September 11, 2009
Submitted: September 17, 2009
Operation: Air carrier
Aircraft: N225UA
Make and model: Boeing 777222
Aircraft serial: 30554
Aircraft time: 30,551 hours, 3,807 cycles
Engine: Pwa PW40903
System (JASC): 2750 · Trailing Edge Flap Control System
Part: Solenoid
Part number: 3910014101600U
Condition: Out Of Tolerance
Location: Te Flaps
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

FLAP PRIMARY FAIL ON FLAP EXTENSION. ATTEMPTED RESET, ALT, BACK TO NORMAL, MESSAGE CLEARED, BUT CAME BACK DURING FLAP EXTENSION. T/S FOUND FLAP PRI CONTROL VALVE EXTEND SOLENOID FAULT. REPLACED EXTEND SOLENOID AND FLAP SYS OPERATION TEST OKAY.