Service difficulty report · Control Unit · Boeing 777222

Difficulty date
June 21, 2013
Submitted
July 12, 2013
Operation
Air carrier
Aircraft
N204UA
Make and model
Boeing 777222
Aircraft serial
28713
Aircraft time
64,539 hours, 8,969 cycles
Engine
Pwa PW4090
Part
Control Unit
Part number
S271W13034
Part serial
34
Condition
Failed
Location
Hyd Pump
Stage of operation
NR
How discovered
9
Nature of condition
J
Precautionary procedure
O

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

What was found

ADP C1 STATUS MESSAGE. PERFORMED FIM 29-11, TASK 840 WIRING CHECKED OUT GOOD, REPLACED ADP 1 LSCU.