Service difficulty report · Bpu · Boeing 777222

Difficulty date
December 2, 2011
Submitted
December 8, 2011
Operation
Air carrier
Aircraft
N784UA
Make and model
Boeing 777222
Aircraft serial
26951
Aircraft time
65,332 hours, 9,268 cycles
Engine
Pwa PW40903
Part
Bpu
Part number
51373950640
Part serial
56616
Condition
Failed
Location
Satcom
Stage of operation
NR
How discovered
O
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

SATCOM HIGH GAIN FAILED. CHECKED WIRES, NO FAULTS. REPLACED WITH SERVICEABLE LT AND RT BSU AND INSTALLED, TEST OK.