# SDR HEEA077859

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 19, 2002
- Submitted: February 25, 2002
- Operation: Air carrier
- Aircraft: N740PH
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53435
- Aircraft time: 1,000 hours
- System (JASC): [6420 · Tail Rotor Head](https://openairdocs.org/jasc/6420)
- Part: Bearing
- Part number: 407312100101
- Part serial: NA
- Condition: Worn
- Location: T/R Hub
- Component: T/R Hub, 407012101111
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA077859

## Discrepancy

OUTPUT SHAFT SPLINES WORN AND CORRODED.

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