# SDR SIMA971251

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N421MQ](https://openairdocs.org/aircraft/N421MQ), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 014
- System (JASC): [3246 · Wheel/Ski/Float](https://openairdocs.org/jasc/3246)
- Part: Bearing
- Part number: D22685050
- Condition: Seized
- Location: Nr 1 Wheel
- Stage of operation: TX
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA971251

## Discrepancy

ORD - FLT 4304 - AFTER LANDING, THE CREW NOTED THAT THE HOT BRAKE WARNING LIGHT ILLUMINATED, THE AIRCRAFT WAS STOPPED TO INVESTIGATE AND FOUND THAT THE NR 1 MAIN TIRE WAS BLOWN AND NR 1 BRAKE WAS SMOKING AND HYDRAULIC FLUID WAS LEAKING FROM THE LINES.  INSPECTION FOUND NR 1 WHEEL ASSY FROZEN TO THE AXLE.  RAI'D NR 1 MLG ASSY PER JIC 32-11-00.  (M)

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