Service difficulty report · Control Unit · Boeing 767322

Difficulty date
August 26, 2011
Submitted
September 19, 2011
Operation
Air carrier
Aircraft
N668UA
Make and model
Boeing 767322
Aircraft serial
30024
Aircraft time
44,628 hours, 11,894 cycles
Engine
Pwa PW4056
Part
Control Unit
Part number
285T0012201
Part serial
88
Condition
Faulty
Location
Spoiler
Stage of operation
LD
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

ON LANDING GOT SPOILER LIGHT & EICAS. REPEAT MAINT TEXT: SEE HISTORY ON RECENT HIT. NEED TO CHECK SCMS FOR POSSIBLE FAULT OR HISTORY INTERROGATION. FAULT HISTORY RECORDED INTERMITTENT APL 757, SCM, OR WIRING, SPOILER SHUTDOWN, LAST 4 LEGS. REPLACED SCM M535. TEST OK. NO EXISTING FAULTS.