# SDR IPXA2017081320453

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2017
- Submitted: August 14, 2017
- Operation: Air carrier
- Aircraft: [N254UP](https://openairdocs.org/aircraft/N254UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48406
- Aircraft time: 71,958 hours, 14,772 cycles
- System (JASC): [5712 · Wing, Rib/Bulkhead](https://openairdocs.org/jasc/5712)
- Part: Rib
- Part number: ARB2920129
- Condition: Cracked
- Location: Lt Wing
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2017081320453

## Discrepancy

INSPECTION TYPE:3CL/H WING L/E RIB/FORMER IS CRACKED AT XFS 1192.  REMOVED, FABRICATED AND REPLACED THE LT WING LE RIB IAW DWG ARB2920, AND SRM 51-31-01.

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