# SDR SIMA20230421002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2023
- Submitted: April 24, 2023
- Operation: Air carrier
- Aircraft: [N770JM](https://openairdocs.org/aircraft/N770JM), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000025
- Aircraft time: 36,144 hours, 29,374 cycles
- System (JASC): [5200 · Doors](https://openairdocs.org/jasc/5200)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20230421002

## Discrepancy

DOOR LOCK DOES NOT UNLOCK USING COCKPIT CONTROL PANEL OR EXTERNAL UNLOCK PANEL DOOR PIN DOESN'T DISENGAGE FROM LOCK POSITION-C/A-DEFERRED COCKPIT CONTROL PANEL PER MEL 52-8. M PROCEDURE C/W.

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