# SDR HEEA954757

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N1077A](https://openairdocs.org/aircraft/N1077A), registered now
- Make and model: Bell 206L-1
- Registry model: [Bell 206L-1](https://openairdocs.org/model/bell-helicopter-textron-206l-1) (OpenAirDocs)
- Aircraft serial: 45382
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transceiver
- Part number: 066106200
- Condition: Wont Test
- Location: Cockpit Atc
- Component: KT76
- Stage of operation: NR
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA954757

## Discrepancy

WILL NOT SELF-TEST. FOUND IDENT LIGHT VERY DIM.  REPLACED PHOTOCELL V301.  REPAIRED.  REPLACED DETERIORATED RESISTOR R477.  INSTALLED HEAT SINK BEHIND TRANSISTOR Q415 AS PER SERVICE BULLETIN KT76A-6.  UNIT HAD WEAK POWER OUT.  REPLACED CAVITY TUBE V101. REPAIRED.ADJUSTED PULSE WIDTH.  CLEANED CONTACTS ON WAFERS FOR FREQUENCY SELECTOR KNOBS.  UNIT BENCH CHECK GOOD.

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