# SDR JR2R20171007333

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2017
- Submitted: October 8, 2017
- Operation: Air carrier
- Filed by: [AAR Aircraft Services Inc, repair station JR2R936K](https://openairdocs.org/faa-repair-station/JR2R936K/aar-aircraft-services-inc.md) (OpenAirDocs)
- Aircraft: N424NV
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 49421
- Aircraft time: 61,388 hours, 51,873 cycles
- System (JASC): [5531 · Vertical Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5531)
- Part: Rib
- Part number: 991188412
- Condition: Cracked
- Location: Vertical Stab
- 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/JR2R20171007333

## Discrepancy

VERTICAL STAB LOWER L/E, FOURTH RIB, UP FROM BOTTOM CRACKED AT LOWER ATTACHED FASTENER, RT SIDE.  REPAIRED THE RIB IAW 55-02, FIG 27, SHEET 3 AND 4.  INSTALLED IAW SRM 51-30-2, FIG 19-20, AND 51-30-5.

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