# SDR SIMA200201701

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 15, 2002
- Submitted: March 4, 2002
- Operation: Air carrier
- Aircraft: [N274AT](https://openairdocs.org/aircraft/N274AT), registered now
- Make and model: Aerosp ATR 72-212
- Registry model: [Aerosp ATR 72-212](https://openairdocs.org/model/aerospatiale-atr-72-212) (OpenAirDocs)
- Aircraft serial: 274
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Support
- Condition: Corroded
- Location: Pax Stairs
- 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/SIMA200201701

## Discrepancy

DURING CPCP 2 INSPECTION, PASSENGER ENTRY STAIR, TREAD SUPPORTS WERE FOUND CORRODED.  THE TREAD SUPPORTS (P/N S5217640600001, S5217640620400) WERE REMOVED AND REPLACED IAW ATR72 SRM 51-21-42.  THE AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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