SDR 05FDEA02049

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): 5730 · Wing, Plate/Skin
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

LT WING UPPER SURFACE FORWARD OF FUEL TANK PANEL 533AT 1 EACH SKIN BULGE FOUND AS MARKED. CORROSION ON LTW UPPER SURFACE FWD OF FUEL TANK PANEL 533AT REMOVED AS PER SRM 51-21-01 VOL. II. ORIGINAL THICKNESS: 0.749"; THK. REMOVED: 0.033"; THK. REMAINED: 0.716". AREA FOUND WITHIN LIMIT AS PER FEDEX 1-5730-89960 (TITLE: WINGS - LT WING UPPER SKIN BLEND AT XORS 281, STRINGER 9). THIS REPAIR CLASSIFIED AS MINOR AS PER GMM 6-2- 100.

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