Service difficulty report · Generator · Boeing 777222

Difficulty date
July 31, 2011
Submitted
August 3, 2011
Operation
Air carrier
Aircraft
N779UA
Make and model
Boeing 777222
Aircraft serial
26941
Aircraft time
61,471 hours, 11,043 cycles
Engine
Pwa PW4077
Part
Generator
Part number
756589A
Part serial
187
Condition
Failed
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 GENERATOR TRIPPED WITH A LOAD. APU GEN INOP. REPLACED APU GENERATOR PER MM. MAINT MESSAGE 24-31613 FIELD CURRENT OUT OF RANGE.