Service difficulty report · Control Unit · Boeing 757222

Difficulty date
January 30, 2012
Submitted
February 23, 2012
Operation
Air carrier
Aircraft
N597UA
Make and model
Boeing 757222
Aircraft serial
28750
Aircraft time
50,924 hours, 14,350 cycles
Engine
Pwa PW2037
Part
Control Unit
Part number
285T0012201
Part serial
270
Condition
Faulty
Location
Spoiler Sys
Stage of operation
CL
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

DURING CLIMB SPEED BRAKE "AUTO STOW" MOTOR RAN TWICE WITH GEAR UP, FLPS UP, SPEED BRK LEVER STOWED BEFORE CLEARING THIS ITEM NEED TO ENSURE ALL THE STEPS OF MEL 2762C HAVE BEEN REVERSED INCLUDING THE CB, ANN LT, AND SPEEDBRAKE AUTOSTOW HARNESS CONNECTOR. FOUND FAULT BALL ON RT NR 3 SC MODULE. REPLACED NR 3 SC MODULE PER MM. PERFORMED SPEEDBRAKE AUTOSTOW TEST PER MM TASK 27-62-01-000-501, TASK 27-62-0 1-000-502, AND OP CHECK PER MM TASK.