# SDR DALA2026042102543

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 19, 2026
- Submitted: April 21, 2026
- Operation: Air carrier
- Aircraft: [N711ZX](https://openairdocs.org/aircraft/N711ZX), registered now
- Make and model: Boeing 757231
- Aircraft serial: 28481
- Aircraft time: 94,874 hours, 24,972 cycles
- System (JASC): [2560 · Emergency Equipment](https://openairdocs.org/jasc/2560)
- Part: Girt Bar
- Condition: Fod
- Location: Zone 800
- Stage of operation: TX
- 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/DALA2026042102543

## Discrepancy

R4 DOOR WILL NOT DISARM.   REMOVED DEBRIS FROM GIRT BAR AREA, R4 DOOR ARMS AND DIS ARMS NORMAL PER B757 AMM 52-11. (8510594) AIRCRAFT WAS GROUNDED

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