# SDR HEEA967608

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 31, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N54197
- Make and model: Bolkms BO105S
- Aircraft serial: S805
- System (JASC): [3452 · ATC Transponder System](https://openairdocs.org/jasc/3452)
- Part: Transceiver
- Part number: 066106200
- Condition: Defective
- Location: Cockpit
- Component: KT76
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA967608

## Discrepancy

DOESN'T WORK IN AIRCRAFT USING TEST EQUIPMENT. FOUND FREQUENCY WOULD DROP OFF LINE WHEN VIBRATED.  REPLACED V101 CAVITY TUBE.  REPAIRED.  ALSO REPLACED V301 PHOTOCELL.  REPAIRED.  BENCH CHECK GOOD.

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