SDR FDEA201307221625

Service difficulty report · Structure · Doug MD11F

Difficulty date: July 22, 2013
Submitted: August 12, 2013
Operation: Air carrier
Aircraft: N521FE
Make and model: Doug MD11F
Aircraft serial: 48478
Aircraft time: 70,984 hours, 11,520 cycles
System (JASC): 5744 · Wing, Control Surface Attach Fittings
Part: Structure
Condition: Corroded
Location: Zone 500
Stage of operation: IN
How discovered: V
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

LEFT WING OTBD FLAP, INBD FORWARD (WING SIDE) HINGE UPPER MOUNT OTBD BORE CORRODED. BORE REWORKED AND FOUND EXCEEDED LIMITS IAW CMM 57-44-08, REV 76. REPAIR CARRIED OUT IAW EA 1-5750-166143, STEP 1. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100, REV 116.

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