Service difficulty report · Generator · Boeing 777222

Difficulty date
August 26, 2011
Submitted
September 2, 2011
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
40,169 hours, 8,671 cycles
Engine
Pwa PW4077
Part
Generator
Part number
1701768
Part serial
209
Condition
Faulty
Location
Lt Engine
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

ELEC BACKUP GEN L LEFT BACKUP GENERATOR OFF DUE TO A PROTECTIVE TRIP. STATUS MSG01- LATCHED CLIMB MODE DEPENDENT; BACKUP GENERATOR (L) OIL PRESSURE IS LOW. DB- BACKUP CONVERTER MSG-2446080 LATCHD CL MODE. REPLACED LT ENGINE BACK-UP GENERATOR, CHECKS OKAY.