Service difficulty report · Bpcu · Boeing 757222

Difficulty date
May 11, 2010
Submitted
May 13, 2010
Operation
Air carrier
Aircraft
N590UA
Make and model
Boeing 757222
Aircraft serial
28708
Aircraft time
49,129 hours, 13,655 cycles
Engine
Pwa PW2037
Part
Bpcu
Part number
734285D
Part serial
49
Condition
Failed
Location
Electrical Sys
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

ADVANCING THROTTLE CAUSED BOTH LEFT AND RIGHT UTILITY BUS TO DROP OFF. REPLACED BPCU, GROUND TEST OKAY.