SDR IPXA11M69411

Service difficulty report · Stringer · Doug MD11F

Difficulty date: September 5, 2011
Submitted: September 26, 2011
Operation: Air carrier
Aircraft: N250UP
Make and model: Doug MD11F
Aircraft serial: 48745
Aircraft time: 42,608 hours, 8,533 cycles
System (JASC): 5713 · Wing, Longeron/Stringer
Part: Stringer
Part number: ARB75121
Condition: Cracked
Location: Lt Wing
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:4C, LT WING NR 1 TANK THROUGH ACCESS 535BI UPPER STRINGER, 2ND FROM FWD SPAR IS CRACKED ON AFT FACE AT OTBD END. REPAIRED CRACKED UPPER STRINGER IN LT WING NR 1 TANK ACCESS 535BI, 2ND STRINGER FROM FWD SPAR BETWEEN XORS622.90 AND XORS653.10 REF SRM 57-00-03 REPAIR 5, FIG 201, REV 47.

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