# SDR HEEA060486

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N721PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53278
- System (JASC): [6510 · Tail Rotor Drive Shaft](https://openairdocs.org/jasc/6510)
- Part: Bearing
- Part number: 406040339111
- Condition: Rough
- Location: T/R Drive
- Component: 407040303101
- 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/HEEA060486

## Discrepancy

FAN SHAFT ASSEMBLY HAS ROUGH BEARINGS; COMPLY WITH ASB 407-98-23.  SERIAL NUMBERS REMOVED ARE H98-0666 AND H98-0672.

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