# SDR IPXA2017080920320

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2017
- Submitted: August 9, 2017
- Operation: Air carrier
- Aircraft: [N251UP](https://openairdocs.org/aircraft/N251UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48744
- Aircraft time: 56,798 hours, 12,011 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Rib
- Part number: 2242301517
- Part serial: 2252001
- Condition: Cracked
- Location: Nr 3 Nacelle
- 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/IPXA2017080920320

## Discrepancy

INSPECTION TYPE: 1C, NR 3 ENGINE INBD CORE COWL AFT RIB CRACKED.  REMOVED AND REPLACED IAW AMM 71-14-01.

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