Service difficulty report · Gcu · Boeing 777222

Difficulty date
September 5, 2011
Submitted
September 22, 2011
Operation
Air carrier
Aircraft
N215UA
Make and model
Boeing 777222
Aircraft serial
30221
Aircraft time
40,210 hours, 8,684 cycles
Engine
Pwa PW4077
Part
Gcu
Part number
756603E
Part serial
104
Condition
Faulty
Location
Left
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

REPLACE LT GCU. DUE TO CHRONIC BUG DUAL TRIP EVENTS AND HISTORY OF WHEN PROBLEM OCCURING. REPLACE THE LT GCU PER MM. ACCOMPLISHMENT OF ITEM DEPENDENT UPON HIGH PWR RUN RESULTS. REPLACED LEFT GCU PER AMM PER ABOVE EG6089 CALLOUT REQUEST.