# SDR DXTA2026030607119

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2026
- Submitted: March 6, 2026
- Operation: Air carrier
- Aircraft: [N806QS](https://openairdocs.org/aircraft/N806QS), registered now
- Make and model: Textrn TEXTRON700
- Aircraft serial: 7000029
- Aircraft time: 6,225 hours, 3,641 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: Dirty
- Location: Zone 100
- Stage of operation: TX
- How discovered: V
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2026030607119

## Discrepancy

ON GROUND GOT RED BAGGAGE FIRE LIGHT CAS MESSAGE.  POWERED UP ACFT & ABLE TO DUPLICATE DISCREPANCY,  WENT THRU FAULT HISTORY & FOUND ALERT ID 593. THIS FAULT IS TRIGGERED WHEN AFT CARGO SMOKE DETECTOR INPUT TO GSD2 INDICATES SMOKE DETECTED.  IAW TROUBLE SHOOTING GUIDE AMM 26-12-00.   FOUND SMOKE DETECTOR FAILED RED LIGHT ON, & FWD DETECTOR RED LIGHT OFF. VERIFY & FOUND POWER ON CONNECTOR, BUT SYS TEST FAILED. REMOVED AFT SMOKE DETECTOR, FOUND COVER WITH DUST, CLEANED, VERIFY CONNECTION PINS & FOUND OK, INSTALLED SMOKE DETECTOR (UCI0I) IAW AMM 26-12-05 & RED LED LIGHT OUT. PERFORMED AFT CARGO SYS OPS CHECK IAW  AMM 26-12-0D, SYS WORKING PROPERLTY, NO RED CARGO FIRE LIGHT, NO CAS MESSAGE. OPS CHECK OK

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