SDR 200800028

Service difficulty report · Skin · Boeing 74747UF

Difficulty date: February 4, 2008
Submitted: February 5, 2008
Operation: Air carrier
Aircraft: N493MC
Make and model: Boeing 74747UF
Aircraft serial: 29254
Aircraft time: 38,487 hours, 6,136 cycles
System (JASC): 5753 · Trailing Edge Flaps
Part: Skin
Condition: Punctured
Location: Te Flaps
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

DURING A CHECK, FOUND LT WING T/E I/B MID FLAP WBL 443.83 LOWER SURFACE CRACKED AND BULLNOSE PUNCTURE, IN ADDITION LT IB AFT FLAP WBL 445 OUTBOARD EDGE WITH DELAMINATION. DISPOSITION WAS MADE TO PERFORM A WET LAY UP INTERIM REPAIR (REF BOEING SRM 57-53-01, FIG 201, AND BOEING SRM 51-40-06).

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