# SDR HEEA084730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2003
- Submitted: February 25, 2003
- Operation: General aviation
- Aircraft: [N1202T](https://openairdocs.org/aircraft/N1202T), registered now
- Make and model: Bell 412
- Registry model: [Bell 412](https://openairdocs.org/model/bell-412) (OpenAirDocs)
- Aircraft serial: 33112
- Aircraft time: 9,906 hours
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Mixer Box
- Part number: A3016R
- Part serial: 8504652
- Condition: Failed
- Location: Cockpit
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA084730

## Discrepancy

ICS MIXER BOX HAS NO SOUND. FOUND ICS AUDIO INTERMITTENTLY CUTTING OUT.  CLEANED REAR CONNECTOR AND S1 SWITCHES.  RESOLDERED WIRES TO CIRCUIT BOARD AND R72 VOLUME CONTROL.  REPAIRED.  BENCH CHECK GOOD.

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