# SDR HEEA087490

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2003
- Submitted: June 16, 2003
- Operation: General aviation
- Aircraft: [N457PH](https://openairdocs.org/aircraft/N457PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53147
- Aircraft time: 3,798 hours
- System (JASC): [3457 · Global Positioning System](https://openairdocs.org/jasc/3457)
- Part: Control Unit
- Part number: N0010001
- Part serial: 374
- Condition: Malfunctioned
- Location: Gps
- 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/HEEA087490

## Discrepancy

GPS CONTROL UNIT WOULD NOT ACKNOWLEDGE COMMANDS. SENT TO OUTERLINK FOR INSPECTION AND REPAIR.

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