# SDR CALA2025040803643

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2025
- Submitted: April 8, 2025
- Operation: Air carrier
- Aircraft: [N37562](https://openairdocs.org/aircraft/N37562), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 67591
- Aircraft time: 6,617 hours, 2,222 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Megaphone
- Part number: ACREM1A
- Condition: Faulted
- Location: Zone 200
- 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/CALA2025040803643

## Discrepancy

DOOR SEAL  NOISE FROM 1L TALKED TO CREW FOUND NOISE WAS NOT FROM DOOR BUT FROM MEGAPHONE. MEGAPHONE WAS GOING OFF AND NOT SHUTTING OFF. REPLACED MEGAPHONE PER AMM 25-64-00. NEW MEGAPHONE OPERATED NORMALLY ON GROUND.

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