Service difficulty report · Idg · Boeing 777222

Difficulty date
April 6, 2012
Submitted
April 10, 2012
Operation
Air carrier
Aircraft
N777UA
Make and model
Boeing 777222
Aircraft serial
26916
Aircraft time
68,385 hours, 12,420 cycles
Engine
Pwa PW4077
Part
Idg
Part number
767146A
Part serial
10395
Condition
Faulty
Location
Lt Generator
Stage of operation
TX
How discovered
O
Nature of condition
J
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

ON TAXI OUT LEFT GENERATOR CONTROL LIGHT OFF ILLUMINATED. DURING RUN UP, MTC MSG 24-31661 DISPLAYED. ACCOMPLISHED FIM 24-21 TASK 811, L IDG FAULTED. REPLACED IDG PER AMM. ACCOMPLISHED OPS AND LEAK CHECK DURING RUN UP PER AMM. ALSO CK'D DISCONNECT FUNCTION RECHECKED OPS DURING RUN UP AFTER RECONNECTING OKAY.