# SDR SIMA952081

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 1995
- Submitted: March 26, 2000
- 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): [7714 · Engine RPM Indicating System](https://openairdocs.org/jasc/7714)
- Part: O-Ring
- Part number: MS9386112
- Condition: Nicked
- Location: Rt Eng
- Component: Pwa, 3033509
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA952081

## Discrepancy

DFW - FLT 3542 - AFTER LANDING, DURING TAXI, AIRCRAFT CABIN FILLED WITH SMOKE.  SMOKE ORIGINATED FROM MIDDLE OF CABIN. NO COCKPIT INDICATION.  MAINTENANCE REMOVED AND REPLACED O-RING ON NL PROBE SYSTEM.  OPS CHECKED GOOD.  AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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