Service difficulty report · Gcu · Boeing 777222

Difficulty date
July 27, 2011
Submitted
August 19, 2011
Operation
Air carrier
Aircraft
N220UA
Make and model
Boeing 777222
Aircraft serial
30223
Aircraft time
42,520 hours, 5,278 cycles
Engine
Pwa PW40903
System (JASC)
2422 · AC Inverter
Part
Gcu
Part number
756603E
Part serial
520808
Condition
Faulty
Location
Posit 1
Stage of operation
TX
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

LEFT ENG IDG DOES NOT ON LINE AFTER PUSH BACK. REPLACED GCU PER MM, NO INSTALLED COA BORROWED.