# SDR HEEA083857

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2003
- Submitted: January 20, 2003
- Operation: Air carrier
- Aircraft: [N404PH](https://openairdocs.org/aircraft/N404PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53188
- Aircraft time: 3,888 hours
- System (JASC): [6310 · Engine/Transmission Coupling](https://openairdocs.org/jasc/6310)
- Part: Spline Adapter
- Part number: 406040316101
- Part serial: AFS1089
- Condition: Worn
- Location: Eng/Mrgb
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA083857

## Discrepancy

MAIN ROTOR ENGINE TO GEARBOX SPLINE ADAPTER WORN.

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