# SDR CA960131202

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 8, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Hughes 500N
- System (JASC): [6322 · Rotorcraft Cooling Fan System](https://openairdocs.org/jasc/6322)
- Part: Bearing
- Part number: 369H56555
- Condition: Failed
- Location: Blower Assembly
- Part time: 950 hours
- Stage of operation: CR
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA960131202

## Discrepancy

(CAN)UPPER BEARING OF OIL COOLER BLOWER ASSEMBLY FAILED CAUSING LOSS OF BELT TENSION AND VIBRATION. BEARING DID NOT SEIZE, INDICATIONS TO PILOT WERE A BANG FOLLOWED BY SQUEALING OF THE BELT AND RUMBLING OFTHE BLOWER ASSEMBLY. A PRECAUTIONARY LANDING WAS CARRIED OUT. THERE WAS NO LOSS OF POWER OR CONTROL OF AIRCRAFT.

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