# SDR JR2R20160705044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2016
- Submitted: July 5, 2016
- 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: N419NV
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53366
- Aircraft time: 45,864 hours, 38,328 cycles
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Step
- Part number: 991038165
- Condition: Cracked
- Location: Zone 800
- 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/JR2R20160705044

## Discrepancy

AFT VENTRAL STAIRS UPPER STEP CHAFED AT CATWALK CONTACT POINT, UPON DISASSEMBLY, FOUND 2EA CRACKS ON AFT END OF STEP.  R & R VENTRAL STAIR STEP IAW SRM 51-30-1, PARA 6.

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