# SDR CALA2017061901897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 19, 2017
- Submitted: June 19, 2017
- Operation: Air carrier
- Aircraft: [N67134](https://openairdocs.org/aircraft/N67134), registered now
- Make and model: Boeing 757224
- Aircraft serial: 29283
- Aircraft time: 72,529 hours, 15,658 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Switch
- Part number: P84000003
- Condition: Stuck
- Location: F/O Column
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2017061901897

## Discrepancy

INFLIGHT, BOTH LEFT AND RIGHT COMMS FAILED TO TRANSMIT,  COULD RECEIVE. EMERGENCY DECLARED.  R & R THE FIRST OFFICER'S PTT YOKE SWITCH WHICH WAS FOUND STUCK AND CAPTAIN'S AUDIO PANEL, ALSO R & R THE AUDIO ACCESORY UNIT, ALL OPS CHECKED GOOD IAW AMM 23-12-02, AND WDM 23-51-21.

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