# SDR DALA2017091806953

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2017
- Submitted: September 18, 2017
- Operation: Air carrier
- Aircraft: [N556NW](https://openairdocs.org/aircraft/N556NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 33392
- Aircraft time: 42,237 hours, 18,758 cycles
- System (JASC): [2370 · Audio/Video Monitoring](https://openairdocs.org/jasc/2370)
- Part: Microphone
- Condition: Melted
- Location: Cvr
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2017091806953

## Discrepancy

COCKPIT VOICE RECORDER MICROPHONE STARTED TO MELT IN THE COCKPIT.   REMOVED AND REPLACED VOICE RECORDER.  OPS TESTED NORMAL.

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