# SDR HEEA0015246

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N21498
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 36003
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Transceiver
- Part number: 064102300
- Condition: Failed
- Location: Cockpit
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA0015246

## Discrepancy

BENCH CHECK AND 2 YEAR INSPECTION.  PERFORMED PRELIMINARY INSPECTION.  FOUND TRANSMIT POWER OUT FLUCTUATING AND MODULATION DISTORTED INTERMITTENTLY.  SWAPPED OUT Q109 AND Q110 TRANSISTORS.  NO HELP.  ALSO FOUND C529 CAPACITOR BROKEN.

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