Service difficulty report · Idg · Boeing 777222

Difficulty date
August 1, 2011
Submitted
August 2, 2011
Operation
Air carrier
Aircraft
N773UA
Make and model
Boeing 777222
Aircraft serial
26929
Aircraft time
64,725 hours, 12,596 cycles
Engine
Pwa PW4077
Part
Idg
Condition
Low
Location
Right
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

ELEC GEN OFF R RIGHT GENERATOR CONTROL BREAKER (GCB) OPEN OR GENERATOR CONTROL SWITCH OFF, AND ENGINE NOT SHUT DOWN. ADVISORY MSG01- NOT ACTIVE CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (R) FREQUENCY IS LOW. DB- GENERATOR CONTROL UNIT (R) MSG02- LATCHED CRUISE MODE DEPENDENT; INTEGRATED DRIVE GENERATOR (R) WAS MANUALLY DISCONNECTED. DB- GENERATOR CONTROL UNIT (R) MSG-2431632 INACTV ER MODE MSG-2431562 LATCHD ER MODE. SERVICED RT IDG WITH 3 PINTS OF OIL. RECONNECTED AND ACP ENG RUN. IDG OPS NORMAL. MSG CLEARED. NO LEAKS NOTED.