# SDR KY72026F00005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 14, 2025
- Submitted: January 16, 2026
- Operation: Air carrier
- Aircraft: [N259DS](https://openairdocs.org/aircraft/N259DS), registered now
- Make and model: Dorner DO328300
- Aircraft serial: 3197
- Aircraft time: 16,525 hours, 16,145 cycles
- System (JASC): [2620 · Extinguishing System](https://openairdocs.org/jasc/2620)
- Part: Control Unit
- Condition: Faulted
- Location: Fire Detection
- Stage of operation: IN
- How discovered: V
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/KY72026F00005

## Discrepancy

E2 FIRE LIGHT ON WITH NO FIRE.  R&R E2 FIRE DETECTION CONTROL UNIT  IAW DO328-300  MM 36-11-00 & 26-11-02

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