# SDR DALA2026081604672

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 8, 2026
- Submitted: August 16, 2026
- Operation: Air carrier
- Aircraft: [N819DX](https://openairdocs.org/aircraft/N819DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33959
- Aircraft time: 58,645 hours, 28,017 cycles
- System (JASC): [5240 · Service Doors](https://openairdocs.org/jasc/5240)
- Part: Indicator
- Condition: Fod
- 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/DALA2026081604672

## Discrepancy

R1 DOOR KNUCKLE KNOCKER WILL NOT EXTEND WHEN DOOR IS ARMED.  FOUND DEBRIS AROUND KNUCKLE KNOCKER. REMOVED DEBRIS. FUNCTION CHKD ARM/DISARMING OF 1R DOOR. FUNCTIONS AS DESIGNED. ACFT OK FOR SERVICE. (8606878)(AIRCRAFT GROUNDED)

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