# SDR FDEA201908212337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2019
- Submitted: September 25, 2019
- Operation: Air carrier
- Aircraft: [N631FE](https://openairdocs.org/aircraft/N631FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48454
- Aircraft time: 102,985 hours, 20,419 cycles
- System (JASC): [5411 · Nacelle/Pylon, Frame/Spar/Rib](https://openairdocs.org/jasc/5411)
- Part: Spar Cap
- Part number: AVB7506501
- Condition: Cracked
- Location: Nr 2 Pylon
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201908212337

## Discrepancy

#2 PYLON RT UPPER SPAR CAP FWD EDGE AT THE OUTER RADIUS HAS A .100 IN CRACK PROPAGATING AFT AT YID 408.600. REPAIRED #2 PLYON UPPER SPAR CAP AVB7506 PER EA 1-5450-T0349293 (MANUFACTURING JOINT FATIGUE CRACK IN RT UPER SPAR) MAJOR REPAIR.

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