Service difficulty report · Controller · Boeing 777222

Difficulty date
March 5, 2011
Submitted
March 17, 2011
Operation
Air carrier
Aircraft
N772UA
Make and model
Boeing 777222
Aircraft serial
26930
Aircraft time
61,927 hours, 11,365 cycles
Engine
Pwa PW4077
Part
Controller
Part number
285W02193
Part serial
20
Condition
Faulty
Location
Nr 1
Stage of operation
NR
How discovered
9
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

OPBC L OVERHEAD PANEL BUS CONTROLLER (OPBC) FAULT. STATUS MSG-2348801 ACTIVE MT HARD. REPLACED THE LEFT OPBC PER MM, ACCOMPLISHED MAT TEST, TESTED NORMAL, NO FAULTS.