Service difficulty report · Control Module · Boeing 757222

Difficulty date
November 8, 2010
Submitted
November 17, 2010
Operation
Air carrier
Aircraft
N543UA
Make and model
Boeing 757222
Aircraft serial
25698
Aircraft time
72,988 hours, 21,202 cycles
Engine
Pwa PW2037
Part
Control Module
Part number
285T0012201
Part serial
83
Condition
Faulty
Location
Pos 3l
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

EICAS MESSAGE 'SPOILERS' DISPLAYED. SPOILERS LIGHT ILLUMINATED WITH SPEEDBRAKE LEVER SELECTED TO UP. SPOILER EICAS ON DESCENT. FEELS LIKE THEY ARE WORKING. ONLY FAULT DETECTED WAS AN SCM OR WIRING FAULT FOR THE -200 TYPE MODULE IN POS 3L. REPLACED SCM AT POS 3L WITH -100 TYPE. SYSTEM TEST REF THE MM SHOWED NO FAULTS OR MESSAGES.