Service difficulty report · Control Unit · Boeing 757222

Difficulty date
August 8, 2013
Submitted
August 12, 2013
Operation
Air carrier
Aircraft
N543UA
Make and model
Boeing 757222
Aircraft serial
25698
Aircraft time
82,926 hours, 24,009 cycles
Engine
Pwa PW2040
Part
Control Unit
Part number
285T0012201
Part serial
121
Condition
Faulty
Location
Slat System
Stage of operation
DE
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 DESCENT, WHILE USING SPOILERS, SPOILER EICAS ILLUMINATED. ALSO SPOILER FAULT WHEN SPOILER STOWED. ACCOMPLISHED RESISTANCE CHECK REF FIM 27-09-806, PAGE 126 ON SPOILERS NR 3 AND NR 10, NR 3-PIN 1 & 3, 519.9, PIN 8 & 9, 78.3, PIN 5 & 7, 342.4. FOUND WITHIN LIMITS NR 10-PIN 1 & 3, 501.4 PIN 8 & 9, 78.5 PIN 5 & 7, 338.7. FOUND 10379 WITHIN LIMITS. REPLACED 2R SCM 27-09-00, CHECKED OK, OPS NORMAL WITH NO FAULTS OR MESSAGES.