# SDR CALA2025110410868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 2, 2025
- Submitted: November 4, 2025
- Operation: Air carrier
- Aircraft: [N67501](https://openairdocs.org/aircraft/N67501), registered now
- Make and model: Boeing 737-9
- Registry model: [Boeing 737-9](https://openairdocs.org/model/boeing-737-9) (OpenAirDocs)
- Aircraft serial: 43430
- Aircraft time: 18,489 hours, 6,149 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025110410868

## Discrepancy

HUMMING SOUND REPORTED BY FLT ATTENDANT POSSIBLY COMING FROM FOW ARD RIGHT ENTRY DOOR PERFORMED EXTERNAL - ZONAL (GVI): ENTRY DOORS, SERVICE DOORS, AUTOMATIC OVERWING EXITS, AND CARGO DOORS IAW AMM TASK 05-41-08-210-801. NO DAMAGE NOTED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
