# SDR HEEA954653

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N5748Q
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45499
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transceiver
- Part number: 066106200
- Condition: Defective
- Location: Cockpit Atc
- Component: KT76
- 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/HEEA954653

## Discrepancy

KNOB WILL NOT TURN TO TEST. VERIFIED.  REPLACED FACEPLATE ASSEMBLY DUE TO KNOB BROKEN.  INSTALLED HEATSINK DUE TO SERVICE BULLETIN KT76A-6.  REPLACED CAVITY OSCILLATOR V101 DUE TO WEAK POWER.  REPLACED V301 PHOTOCELL DUE TO BEING WEAK.  REPLACED DETERIORATED R477 RESISTOR.REPAIRED.

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