# SDR SWAA2021071493742

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 13, 2021
- Submitted: July 14, 2021
- Operation: Air carrier
- Aircraft: [N8734Q](https://openairdocs.org/aircraft/N8734Q), registered now
- Make and model: Boeing 737-8
- Registry model: [Boeing 737-8](https://openairdocs.org/model/boeing-737-8) (OpenAirDocs)
- Aircraft serial: 60713
- Aircraft time: 382 hours, 747 cycles
- System (JASC): [3150 · Central Warning](https://openairdocs.org/jasc/3150)
- Part: Module
- Part number: 69782144
- Part serial: F09190
- Condition: Faulty
- Location: Warning System
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021071493742

## Discrepancy

AC 7000' ON CLIMB OUT FROM BWI; MULTIPLE AURL WARNINGS BEGAN TO SOUND WITH NO ASSOCIATED VISUAL INDICATIONS UNABLE TO SILENCE ANY OF THE WARNINGS / REMOVED AND REPLACED AURAL WARNING MODULE PER AMM 31-51-04 OPS CHECK GOOD GRB 253579 ON MPN 69-78214-4 OFF SN F09190 ON MPN 169-78214-4 ON SN D03266

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