SDR UALA2011110405997

Service difficulty report · Unknown · Boeing 777222

Difficulty date: November 4, 2011
Submitted: December 2, 2011
Operation: Air carrier
Aircraft: N210UA
Make and model: Boeing 777222
Aircraft serial: 30216
Aircraft time: 42,102 hours, 9,216 cycles
Engine: Pwa PW4077
System (JASC): 4970 · APU Indicating System
Part: Unknown
Condition: Malfunctioned
Location: Apu
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

APU CONTROL MESSAGE PRESENT. MESSAGE 49-10760. "ELECT. MOTOR HAS BRUSH WEAR" --INF- :NOTE: APU ELECT STARTER & START CONTACTOR REPLACED 16OCT2011 FOR SAME MSG. REF: FIM 49-40 AND PERFORM TASK 807 ESPECIALLY THE PIN, WIRE CHECKS. IF SIGNED OFF AS "OPS OK" IT WILL COME BACK. REPAIR OR REPLACE AS NEEDED & INCLD FNDG'S IN ACP W-U. NO MSG INTERMITTANT FAULT. RAN APU, UNABLE TO DUPLICATE. REPLACED APUC AS PRECAUTION. PERFORMED SEVERAL STARTS, NO MSG DISPLAYED.