Service difficulty report · Actuator · Doug MD88

Difficulty date
June 7, 2006
Submitted
June 9, 2006
Operation
Air carrier
Aircraft
N160PL
Make and model
Doug MD88
Aircraft serial
49763
Aircraft time
48,154 hours, 3,220 cycles
Part
Actuator
Part number
1040T1005
Part serial
1467
Condition
Damaged
Location
Lt Spoiler
Part time
14,021 hours, 8,140 cycles
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

DURING OVERNIGHT CHECK A SPOILERS TEST IN AUTOMATIC MODE WAS PERFORMED AND AUTOSPOILER FAIL LIGHT TURNED ON AND SPEED BRAKES WERE OUT OF SERVICE. GROUND SPOILER ACTUATOR WAS REPLACED, FAIL CONTINUED. CABLES AND PULLEYS WERE CHECKED AND LT REVERSE CONTROL VALVE BEARING WAS DETECTED OUT OF THE RAIL. BEARING WAS REINSTALLED, TESTED CORRECT. LT REVERSE AND AUTOSPOILER WERE DEFERRED IAW MEL 78-1 AND 27-19, RESPECTIVELY. LT REVERSE CONTROL VALVE WAS ADJUSTED IAW MM 78-38-03 AND TESTED IAW MM 78-30-00. ACCELERATORS WERE ADJUSTED AND BOTH ENGINES WERE TRIMMED IAW MM 76-11-00 AND 71-00-00. AUTOSPOILERS ACTUATOR WAS REPLACED AND TESTED IAW MM 27-62-05, ALL CORRECT. DEFERRED REPORTS WERE CLOSED.

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