# SDR IPXA2017080620188

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 2017
- Submitted: August 7, 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): [5410 · Nacelle/Pylon, Main Frame](https://openairdocs.org/jasc/5410)
- Part: Rib
- Part number: AVB731711
- Condition: Cracked
- Location: Pylon Fairing
- 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/IPXA2017080620188

## Discrepancy

INSPECTION TYPE: 1C, NR 1 PYLON FAIRING 439AL FWD RIB CRACKED.  REMOVED AND REPLACED THE RIB IAW DWG AVB7538, AND SRM 51-31-01.

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