# SDR SCNA20251027411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2025
- Submitted: October 27, 2025
- Operation: Air carrier
- Aircraft: [N901SY](https://openairdocs.org/aircraft/N901SY), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 40069
- Aircraft time: 29,898 hours, 13,638 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Bell Assy
- Condition: No Test
- Location: Zone 800
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SCNA20251027411

## Discrepancy

TEST FAILED.  NOTHING HAPPENED WHEN ATTEMPTING THE DOORBELL MODE OR THE EMERGENCY UNLOCK WERE ATTEMPTED.  ENABLED COCKPIT DOORBELL FUNCTION IAW B737 AMM 52-51-00-900-802 AND PERFORMED SATISFACTORY FLIGHT COMPARTMENT DOOR SECURITY ACCESS SYSTEM TEST IAW B737 AMM 52-51-00-700-801.


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