SDR IPXA09M55921

Service difficulty report · Stiffener · Doug MD11F

Difficulty date: May 7, 2009
Submitted: May 18, 2009
Operation: Air carrier
Aircraft: N285UP
Make and model: Doug MD11F
Aircraft serial: 48457
Aircraft time: 78,142 hours, 12,925 cycles
System (JASC): 5720 · Wing Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Bs 571
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

INSPECTION TYPE:C RT WING FIXED L/E LOWER COMPT STIFFENER FOUND CRACKED DURING BEADED DOUBLER REPAIR AT APPROX STA 571, SLAT TRACK NR 10 VICINITY. RT WING FIXED L/E LWR COMPT AT APPROX STA 571, SLAT TRACK NR 10 CRACKED STIFFENER REMOVED AND TRIMMED OFF. HFEC AND 10X VISUAL INSP C/O FOUND NO CRACK OR CORROSION. REPAIR STRAP, FILLER, EXT DOUBLER, STRINGER SPLICE FABRICATED. REPAIR PARTS INSTALLED AS PER EN 1234-09.

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