Service difficulty report · Generator · Boeing 777222

Difficulty date
July 29, 2012
Submitted
August 24, 2012
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
69,051 hours, 13,197 cycles
Engine
Pwa PW4077
Part
Generator
Part number
756589A
Part serial
133
Condition
Inoperative
Location
Apu
Stage of operation
NR
How discovered
9
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 GENERATOR WILL NOT STAY ONLINE. APU GENERATOR EXCITER FIELD OUT OF RANGE. REPLACED APU GENERATOR PER AMM, OPS CHECKED GOOD.