# SDR HEEA078742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2002
- Submitted: May 28, 2002
- Operation: General aviation
- Aircraft: N1545X
- Make and model: Skrsky S76A
- Aircraft serial: 760050
- Aircraft time: 23,298 hours
- System (JASC): [2340 · Interphone/Passenger Announcement (PA) System](https://openairdocs.org/jasc/2340)
- Part: Mixer Box
- Part number: PHI20004
- Part serial: 7908235
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HEEA078742

## Discrepancy

BLEED OVER TO OTHER CHANNELS OF MIXER BOX WITHOUT SWITCH SELECTED. PERFORMED PRELIMINARY INSPECTION.  FOUND SWITCH S1 AND SELECTOR KNOB BAD.  REPLACED AND REPAIRED.  BENCH CHECK GOOD.

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