# SDR 96ZZZX5466

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 1996
- Submitted: March 26, 2000
- Operation: General aviation
- Filed by: [Com-Jet, LLC., repair station DM4R133M](https://openairdocs.org/faa-repair-station/DM4R133M/com-jet-llc.md) (OpenAirDocs)
- Make and model: Boeing 727
- Registry model: [Boeing 727](https://openairdocs.org/model/boeing-727) (OpenAirDocs)
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Bearing
- Part number: X11374
- Condition: Failed
- Location: Cool Fan
- Part time: 1,571 hours
- Component: Sundstrandem, 215201
- Stage of operation: NR
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96ZZZX5466

## Discrepancy

AVIONIC COOLING FAN BEARING FAILED AFTER 1,571.22 HRS OF OPERATION.  INNER BALL RACE DISTORTED AND BALLS MISSING.  FLIGHT ATTENDANTS REPORTED SMOKE IN CABIN DUE TO FAN FAILURE.

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