Service difficulty report · Gcu · Boeing 777222

Difficulty date
July 21, 2013
Submitted
August 14, 2013
Operation
Air carrier
Aircraft
N229UA
Make and model
Boeing 777222
Aircraft serial
30557
Aircraft time
48,588 hours, 5,874 cycles
Engine
Pwa PW4090
Part
Gcu
Part number
756603E
Part serial
1337
Condition
Failed
Location
Left
Stage of operation
TX
How discovered
O
Nature of condition
H, J
Precautionary procedure
D

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

What was found

ACFT RETURN TO THE BLOCKS. NO OUTPUT LEFT IDG. REPLACED LEFT GCU, OPS CHECKED GOOD.