Service difficulty report · Generator · Boeing 777222

Difficulty date
October 11, 2011
Submitted
October 13, 2011
Operation
Air carrier
Aircraft
N774UA
Make and model
Boeing 777222
Aircraft serial
26936
Aircraft time
63,956 hours, 12,212 cycles
Engine
Pwa PW4077
Part
Generator
Part number
756589A
Part serial
591
Condition
Faulty
Location
Apu
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

APU GENERATOR INOP ON PUSHBACK MNT MSG 24-31613 DISPLAYED. DEFERRED DUE TIME, APU GENERATOR PCN 661-9003 REQUIRED. -INF- :MESSAGE 24-31513 APU GEN EXCITER FIELD CURRENT OUT OF RANGE. (PARTS 661-9003 MR24223 GENERATOR ASSY). APU GENERATOR 2ND CONDUCTOR WIRE FROM TOP SEPARATED FROM TERMINAL END. REPLACED CONDUCTOR AND APU GENERATOR, TESTS NORMAL.