Service difficulty report · Generator · Boeing 777222

Difficulty date
March 6, 2012
Submitted
March 29, 2012
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
42,083 hours, 9,039 cycles
Engine
Pwa PW4077
Part
Generator
Part number
756589A
Part serial
627
Condition
Faulty
Location
Apu
Stage of operation
TX
How discovered
O
Nature of condition
O
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 DROP OFF PRIOR TO PUSH BACK. MAINTENANCE MESSAGE 24-31613 APU GENERATOR EXCITER FIELD CURRENT IS OUT OF RANGE. NO GEN OFF LIGHT ILLUMINATED. REMOVED AND REPLACED APU GENERATOR PER REF AMM, OPS CHECK NORMAL.