Service difficulty report · Flap System · Doug MD11F

Difficulty date
February 11, 2025
Submitted
February 12, 2025
Operation
Air carrier
Aircraft
N253UP
Make and model
Doug MD11F
Aircraft serial
48439
Aircraft time
81,086 hours, 18,980 cycles
Part
Flap System
Condition
Faulted
Stage of operation
CL
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

AIR TURNBACK AT 0849Z DUE MECHANICAL. AFTER FLAP RETRACTION RECEIVED LEVEL 2 AIL DEFLECT DISAG. PERFORMED QRH PROCEDURE. AIL DEFLECT DISAG REMAINED WITH NOTICEABLE ROLL. VERIFIED TORQUES AND SECURITY OF MOUNTING HARDWARE, VERIFIED TURNBUCKLES, ADJUSTMENT RODS, PULLEYS AND NUTS/BOLTS ARE PROPERLY INSTALLED LOCKED/ SAFETIED. RIG PINS REMOVED. WITNESSED AMM OPS AND FUNCTIONAL CHECKS AND VERIFIED CORRECT CONTROL SURFACE TRAVEL DIRECTION FROM COCKPIT. OSD: 2/11/2025

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