# SDR 97ZZZX811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 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: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Bearing
- Part number: 58861
- Condition: Failed
- Location: Avion Cooling
- Part time: 2,127 hours
- Component: Sundstrandem, 251301
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX811

## Discrepancy

FAN BEARING FAILED.  BEARING INNER RACE IS BLUE FROM HEAT.  BEARING WILL NOT TURN.  BEARING TT SINCE INSTALLATION 2127 HRS.  FAN IS FOR AVIONIC COOLING AND CARGO HEAT.  BEARING INSTALLED NEW.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.