# SDR CALA2026040315057

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N17139](https://openairdocs.org/aircraft/N17139), registered now
- Make and model: Boeing 757224
- Aircraft serial: 30352
- Aircraft time: 94,750 hours, 22,532 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Threshold
- Condition: Fod
- Location: Zone 800
- Stage of operation: NR
- How discovered: O
- Nature of condition: C
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026040315057

## Discrepancy

L4 DOOR WILL NOT ARM,  REMOVED DEBRIS FROM THRESHOLD AREA,  ARMED AND DISARMED DOOR NORMALLY WITH ASSOCIATED SLIDE LIGHT OPS NORMALLY. CHECKED GOOD.

---
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.
