SDR IPXA2020101061143

Service difficulty report · Rib · Doug MD11F

Difficulty date: September 23, 2020
Submitted: October 12, 2020
Operation: Air carrier
Aircraft: N253UP
Make and model: Doug MD11F
Aircraft serial: 48439
Aircraft time: 75,162 hours, 16,351 cycles
System (JASC): 5712 · Wing, Rib/Bulkhead
Part: Rib
Part number: ARB292313
Condition: Cracked
Location: Lt Wing
Stage of operation: IN
How discovered: 9
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: 2C LT OUTBOARD WING LEADING EDGE RIB IS CRACKED JUST OUTBOARD OF THE NR 11 SLAT TRACK AT STA XORS 622. REMOVED CRACKED RIB, FABRICATED, AND INSTALLED ON LT OUTBOARD WING LEADING EDGE JUST OUTBOARD OF NR 11 SLAT AT STA XORS 622, IAW SRM51-33-01 (MINOR).

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