# SDR CA990817044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 4, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Make and model: Piper PA-31
- Registry model: [Piper PA-31](https://openairdocs.org/model/piper-pa-31) (OpenAirDocs)
- Engine: Lyc TIO540A2B
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Radio
- Part number: KX175B
- Condition: Failed
- Location: Cockpit Vhf
- Part time: 8,116 hours
- Component: King
- Stage of operation: NR
- Nature of condition: H
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA990817044

## Discrepancy

(CAN) NR 2 COM SET KX175B (A LOANER UNIT) WENT DEAD.  AIRCRAFT IS USUALLY OPERATING WITH A MAC 1700 (KX175B + DIGITAL).  AVIONICS SHOP ADVISED THAT TROUBLE ORIGIN APPEARS TO BE A FAILING INTERCOM SYSTEM AND AUDIO PANEL DUE TO UNPROFESSIONAL WIRING SHOWING BEHIND RIGHT INSTRUMENT PANEL.

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