Service difficulty report · Wire Harness · Boeing 777222

Difficulty date
March 19, 2024
Submitted
March 21, 2024
Operation
Air carrier
Aircraft
N225UA
Make and model
Boeing 777222
Aircraft serial
30554
Aircraft time
85,027 hours, 10,035 cycles
Part
Wire Harness
Part number
286W0628
Condition
Chafed
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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). GENERATOR CONTROL UNIT (R) FOUND WIRE BUNDLE (D71072J TO D71000P) CHAFING ON 1EA BUNDLE IAW WDM 24-11-71-1 R & R ENGINE HARNESS W0628 CORE WIRING HARNESS ON ARRIVAL, INSPECTED ENG #2 IDG FOUND NO LEAKS & IDG OIL CLAMP, UNDO CLAMP & ISOLATE BUNDLE, MSG CLEARS, COMPLETED UP TO FULL. INSPECTED WIRING HARNESS ASSOCIATED WITH IDG OIL PRESSURE ATTACHED. STEP 5 ON INSTALLATION. TEST/ENGINE RUN UP. PERFORMED ENGINE RUNUP & FOUND TO BE OPERATING NORMALLY. REFER AMM 73-21-78-400-801-N00 AND WDM 24-11-71-1. MESSAGE NO LONGER DISPLAYED.