# SDR DALA2026010600109

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 4, 2026
- Submitted: January 6, 2026
- Operation: Air carrier
- Aircraft: [N584NW](https://openairdocs.org/aircraft/N584NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32984
- Aircraft time: 78,936 hours, 26,012 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Indicator
- Condition: Inoperative
- 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/DALA2026010600109

## Discrepancy

L4 KNUCKLE KNOCKER WON'T EXTEND WHEN SLIDE ARMED.   REMOVED DEBRIS FROM AROUND KNUCKLE KNOCKER. OPS OK. (8143184)

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