Service difficulty report · Generator · Boeing 777222

Difficulty date
October 3, 2008
Submitted
October 10, 2008
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
50,253 hours, 7,651 cycles
Engine
Pwa PW40903
Part
Generator
Part number
1701768
Condition
Underserviced
Location
Generating Sys
Stage of operation
NR
How discovered
9
Nature of condition
W
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 R RIGHT BACKUP GENERATOR OFF DUE TO A PROTECTIVE TRIP. STATUS MSG01- LATCHED CRUISE MODE DEPENDENT; BACKUP GENERATOR (R) OIL PRESSURE IS LOW. DB- BACKUP CONVERTER MSG-2446090 LATCHD ER MODE. ON ARRIVAL FOUND BACKUP GEN OIL IS ABOVE LOW LEVEL POSITION. SERVICED OIL AND MOTORED ENG, NO LEAK NOTED. CONCURRED WITH SAMC.