# SDR HEEA084360

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2003
- Submitted: February 21, 2003
- Operation: Air carrier
- Aircraft: [N402PH](https://openairdocs.org/aircraft/N402PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53159
- Aircraft time: 5,967 hours
- System (JASC): [6340 · Rotor Drive Indicating System](https://openairdocs.org/jasc/6340)
- Part: Sensor
- Part number: 407375021103
- Part serial: 970039
- Condition: Malfunctioned
- Location: Rotor Rpm
- 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/HEEA084360

## Discrepancy

LOW ROTOR HORN COMES ON BETWEEN IDLE AND FLY POSITIONS ON COLLECTIVE DURING START UP.

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