SDR FDEA201307251660

Service difficulty report · Skin · Doug MD11F

Difficulty date: July 25, 2013
Submitted: August 14, 2013
Operation: Air carrier
Aircraft: N521FE
Make and model: Doug MD11F
Aircraft serial: 48478
Aircraft time: 70,984 hours, 11,520 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Part number: ARB74023
Condition: Cracked
Location: Zone 500
Stage of operation: IN
How discovered: E
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

SEVEN FASTENER HOLES FOUND WITH CRACK INDICATIONS. DURING OPEN HOLE HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION AT LT WING LOWER SKIN ACCESS DOOR CUTOUT BETWEEN STA XORS=690 AND STA XORS=700. REPAIRED IAW SRM 57-20-02, REPAIR 5, FIG 201, REV 53. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100, REV 116.

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