# SDR HEEA078380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 22, 2002
- Submitted: March 25, 2002
- Operation: General aviation
- Aircraft: [N493PH](https://openairdocs.org/aircraft/N493PH), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 53393
- Aircraft time: 2,796 hours
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Transceiver
- Part number: 064105430
- Part serial: P1134
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA078380

## Discrepancy

CANNOT CHANGE CHANNELS. PERFORMED PRELIMINARY INSPECTION.  COULD NOT DUPLICATE PROBLEM.  FOUND CORRODED FOILS ON DISPLAY BOARD BENEATH HEADER.  REPLACED DISPLAY BOARD.  REPAIRED.  ADJUSTED C/N SQUELCH, FREQUENCY AND SIDETONE.  BENCH CHECK GOOD.

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