# SDR HNAA2020033100130

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2022
- Submitted: March 31, 2022
- Operation: Air carrier
- Aircraft: [N649PP](https://openairdocs.org/aircraft/N649PP), registered now
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145234
- Aircraft time: 48,825 hours, 45,259 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Audio Panel
- Condition: Faulted
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/HNAA2020033100130

## Discrepancy

FO COMM POS UNABLE TO HEAR FA OR ALTITUDE ALERTING SYS. UNABLE TO DISCERN FROM CAPT AND ATC. WHEN USING OBS DAP AND JACK NORMAL OPS. NOTE CONSTANT BACK- GROUND NOISE LIKE AN OPEN MIC ON FO SIDE. CREW ALSO REPORTED SQUEAL ON COMM 3.   REMOVED AND REPLACED DIGITAL AUDIO PANEL IAW AMM 23-51-01. OPERATIONAL TEST GOOD. OK FOR SERVICE.

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