# SDR DALA2023031301821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2023
- Submitted: March 13, 2023
- Operation: Air carrier
- Aircraft: [N821DX](https://openairdocs.org/aircraft/N821DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33961
- Aircraft time: 51,128 hours, 24,094 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Unknown
- Condition: Unknown
- Stage of operation: IN
- 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/DALA2023031301821

## Discrepancy

SHIP 6821 1L KNUCKLE KNOCKER NOT DEPLOYING. CORRECTIVE ACTION: T/S 1L DOOR RETRACTABLE DOOR MECHANISM PER B757 AMM 51-11-20. FOUND KNUCKLE KNOCKER BINDING ON DOOR LINING. REPOSITIONED LINER AND ADJUSTED ARMING CONTROL ROD. OPS CK GOOD. (2663039)

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