SDR 05FDEA02052

Service difficulty report · Skin · Doug MD11

Difficulty date: July 24, 2005
Submitted: July 26, 2005
Operation: Air carrier
Aircraft: N579FE
Make and model: Doug MD11
Aircraft serial: 48470
Aircraft time: 47,942 hours, 9,821 cycles
System (JASC): 5710 · Wing Main, Frame Structure
Part: Skin
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 HAND WING UPPER SURFACE MOST INBOARD FOUND 1 EACH SKIN BULGE. LH WING UPPER SURFACE MOST INBD 01 EA. SKIN BULGE AREA CORROSION REMOVED AND REPROTECTED AS PER SRM 51-21-01 VOL. II. MAT'L REMOVED 0.042"; ORIG. THICKNESS 0.241"; MAT'L REMAINED 0.199"; FOUND EXCEEDED LIMIT AS PER SRM 57-10-00 FIG. 32 VOL. I. AREA REPAIR CARRIED OUT AS PER FEDEX EA 1-5710-87558 - WINGS - LEFT HAND UPPER WING SKIN - CORROSION REPAIR AT XORS 108 AND STRINGER 13. THIS REPAIR CLASSIFIED AS MAJOR AS PER GMM 6-2-100.

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