Service difficulty report · Unknown · Doug MD11F

Difficulty date
December 21, 2023
Submitted
December 21, 2023
Operation
Air carrier
Aircraft
N257UP
Make and model
Doug MD11F
Aircraft serial
48451
Aircraft time
81,627 hours, 18,292 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

L1 DOOR WILL NOT CLOSE PROPERLY. REVIEWED MEL, NO DMP WAS REQUIRED. OPERATED DOOR. HALFWAY DOWN THE DOOR STOPPED WITHOUT RELEASING THE INSIDE SWITCH. CYCLED SWITCH FROM NEUTRAL TO DOWN AND THE DOOR DROVE UPWARDS. BELIEVE ACTUATOR CONTROL RELAY R2-177 TO BE AT FAULT. REMOVED AND REPLACED R2-177, OPERATIONAL CHECKS GOOD IAW AMM 52-11-02.

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