# SDR DALA2025122209327

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2025
- Submitted: December 22, 2025
- Operation: Air carrier
- Aircraft: [N553NW](https://openairdocs.org/aircraft/N553NW), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26500
- Aircraft time: 64,586 hours, 28,836 cycles
- System (JASC): [5260 · Entrance Stairs](https://openairdocs.org/jasc/5260)
- Part: Lanyard
- Condition: Out Of Adjust
- 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/DALA2025122209327

## Discrepancy

L1 DOOR WILL NOT ARM.  DOOR CLOSES OKAY.  INSPECTED TO ENSURE MOORING LINE CORRECT ALIGNMENT. ADJUSTED SAME. PERFORMED OPS OF DOOR ARMING SYSTEM IAW AMM 52-11. (7725056)

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