# SDR ALG2006F00022

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 14, 2006
- Submitted: February 8, 2006
- Operation: Air carrier
- Aircraft: [N403AL](https://openairdocs.org/aircraft/N403AL), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53478
- Engine: Allsn 250C47B
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 206076030117
- Part serial: K0204
- Condition: Unserviceable
- Location: Hydraulic Sys
- Stage of operation: HO
- How discovered: O
- Nature of condition: E, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ALG2006F00022

## Discrepancy

DURING HOVER, HIGH FREQUENCY BUZZ WAS FELT IN TAIL ROTOR PEDALS.  REMOVED AND REPLACED HYDRAULIC PUMP WITH SERVICEABLE UNIT.  OPERATIONAL CHECK WAS GOOD.  (K)

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