Service difficulty report · Control Unit · Boeing 777222

Difficulty date
January 26, 2009
Submitted
January 27, 2009
Operation
Air carrier
Aircraft
N787UA
Make and model
Boeing 777222
Aircraft serial
26939
Aircraft time
51,542 hours, 7,820 cycles
Engine
Pwa PW40903
Part
Control Unit
Part number
4885501002
Condition
Faulty
Location
Spoiler
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

FLIGHT CONTROL SYS NR 4 AND 11 SPOILERS. REPLACED ACE L2. PERFORMED MAT GROUND TEST SPOILER 4 AND 11 SYSTEM. TEST PASSED. MSG CLEARED.