SDR UALA2012010300012

Service difficulty report · Flt Controls · Boeing 777222

Difficulty date: January 1, 2012
Submitted: January 24, 2012
Operation: Air carrier
Aircraft: N793UA
Make and model: Boeing 777222
Aircraft serial: 26946
Aircraft time: 63,991 hours, 9,238 cycles
Engine: Pwa PW40903
System (JASC): 2700 · Flight Control System
Part: Flt Controls
Condition: Warning Message
Stage of operation: IN
How discovered: V
Nature of condition: N
Precautionary procedure: K

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

What was found

FLIGHT CONTROL SYSTEM ADVISORY. ON ARRIVAL, FOUND MESSAGE 27-1030 6 AND NOT ACTIVE. CARRIED OUT GROUND TEST, TEST FAILED. ACCOMPLISHED FIM 27 -11 TASK 906. REPLACED ACE-L2 NO HELP, BACK TO ORIGINAL. ACCOMPLISHED WIRE CHECK BETWEEN D4422J AND DM27210, CHECKED OK. ALSO CLEANED CONNECTOR. EXERCISED FLAPERON AND CHECKED FLAPERON OPERATION. AFTER EXERCISED MESSAGE NUMBER CHANGED TO 27-11305. CARRIED OUT PRIMARY FLT CONTROL SYSTEM TEST, TEST PASSED AND MESSAGE DISAPPEARED. FOUND NO EX FAULT.