# SDR IPXA11M69411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2011
- Submitted: September 26, 2011
- Operation: Air carrier
- Aircraft: [N250UP](https://openairdocs.org/aircraft/N250UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48745
- Aircraft time: 42,608 hours, 8,533 cycles
- System (JASC): [5713 · Wing, Longeron/Stringer](https://openairdocs.org/jasc/5713)
- Part: Stringer
- Part number: ARB75121
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA11M69411

## Discrepancy

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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