# SDR DALA2021042602411

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2021
- Submitted: April 26, 2021
- Operation: Air carrier
- Aircraft: [N585NW](https://openairdocs.org/aircraft/N585NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32985
- Aircraft time: 63,575 hours, 20,904 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Indicator
- Condition: Malfunctioned
- Location: R4 Door
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021042602411

## Discrepancy

SHIP 5805 4R KNUCKLE KNOCKER STAYS FLUSH WITH DOOR WHEN IT IS ARMED. CORRECTIVE ACTION: GRIT BAR REMOVED DEBRIS AND OLD GREASE. APPLIED NEW GREASE TO GRIT BAR. DOOR ARMS DISARMS OPS CHECK GOOD. REF B757 AMM 12 21. (7630730)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.