Service difficulty report · Gcu · Boeing 777300ER

Difficulty date
March 13, 2020
Submitted
March 20, 2020
Operation
Air carrier
Aircraft
N2748U
Make and model
Boeing 777300ER
Aircraft serial
64994
Aircraft time
6,081 hours, 532 cycles
Part
Gcu
Condition
Faulty
Location
Nr 2
Stage of operation
CR
How discovered
O
Nature of condition
H
Precautionary procedure
A

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

What was found

THE TOMC CONTROLLER AND SENIOR MANAGER CONCUR THAT THE AIRCRAFT CAN BE RELEASED BACK TO SERVICE AFTER EXPERIENCING A DIVERSION OR AIR TURN BACK DUE TO A MECHANICAL REASON LOCKED BY SYSTEM. BASED ON POSITIVE ACTION TAKEN WITH INSPECTION OF #2 ENG GEN FEEDERS, HARNESS & CONNECTORS AND REPLACEMENT OF FAULTY #2 GCU - TOMC UNLOCKING PAGE WITH CONCURRENCE OF TOMC MGR AND EWR MGR. TOMC CLEARING PER PREV ENTRY - REF ACTION TAKEN L/P 4725666, 4726610 AND 4728875 - EWR VERIFIED NO FAULTS WITH #2 ENG GEN, HARNESS, FEEDER WIRES AND CONNECTIONS AND REPLACED #2 ENG GCU. PLA 01206 ISSUED ON L/P 4726610 TO RESTRICT AC TO DOMESTIC OPS FOR 3 LEGS TO MONITOR

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