# SDR ALGA082710697AL

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 27, 2010
- Submitted: August 31, 2010
- Operation: Air carrier
- Aircraft: [N697AL](https://openairdocs.org/aircraft/N697AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53374
- Aircraft time: 10,570 hours
- Engine: Allsn 250C47B
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Drive Shaft
- Part number: 406040072105
- Condition: Worn
- Location: Hyd Pump
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALGA082710697AL

## Discrepancy

HYD SYS LIGHT ILLUMINATED IN FLIGHT.  MX FOUND HYD PUMP DRIVESHAFT SPLINES AND TRANSMISSION OIL PUMP OUTPUT SHAFT SPLINES WORN AWAY.  R & R HYD PUMP DRIVESHAFT AND TRANSMISSION OIL PUMP.

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