Service difficulty report · Idg · Boeing 777222

Difficulty date
April 16, 2025
Submitted
April 21, 2025
Operation
Air carrier
Aircraft
N782UA
Make and model
Boeing 777222
Aircraft serial
26948
Aircraft time
113,006 hours, 14,879 cycles
Part
Idg
Condition
Overserviced
Location
Zone 400
Stage of operation
IN
How discovered
O
Nature of condition
W, J
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 DRIVE R EICAS ADVISORY RIGHT IDG FAULT (LOW INTERNAL OIL PRESSURE).FLIGHT CREW PERFORMED QRH IDG DISCONNECTED,MAINTENANCE PROCEDURE CARRIED OUT. FOUND NR 2 IDG WAS OVER SERVICED. REPLACED ROLS REF AMM 24-11-15. DRAIN EXCESS OIL FROM IDG, RECONNECTED IDG AND PERFORMED IDLE RUN. NEED NEW IDG. REMOVED IDG UP TO SUBTASK 24-11-01-020-004-001 STEP E REMOVE THE PHASE LEADS. REMOVED ENGINE #2 IDG IN REF AMM 24-11-01. INSTALLED NEW IDG UP TO SEC 8, D, 1 OF AMM 24-11-01. ACCOMPLISHED IDT PER GMM 09-10-05 CONTINUE INSTALLATION OF IDG REF AMM 24-11-01 UP TO AND INCLUDING STEP 13 OF THE AMM AFTER FLUSHED ONE MORE TIME, NO FUEL SMELL NOTED. PERFORMED OPS CHECK, LEAK CHECK, AND DISCONNECT CHECK REF AMM 24-11-01, AND 24-11-00. ALL CHECKS GOOD, NO LEAKS.