# SDR DALA2025092206906

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 2025
- Submitted: September 22, 2025
- Operation: Air carrier
- Aircraft: [N540US](https://openairdocs.org/aircraft/N540US), registered now
- Make and model: Boeing 757251
- Aircraft serial: 26487
- Aircraft time: 86,136 hours, 32,851 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Lanyard
- Condition: Unsecure
- 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/DALA2025092206906

## Discrepancy

R1 DOOR WILL NOT ARM. STOWED LANYARD-DOOR ARMS NML. (7549844)

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