# SDR CALA2026090919337

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 2026
- Submitted: September 9, 2026
- Operation: Air carrier
- Aircraft: [N24980](https://openairdocs.org/aircraft/N24980), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 66138
- Aircraft time: 30,146 hours, 2,925 cycles
- System (JASC): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2026090919337

## Discrepancy

CREW REPORTS THE OFCR CREW REST SMOKE DETECTOR WENT OFF AFTER ENG START AND ALSO ATTENDANTS REPORT ODOR IN VICINITY OF DOOR 2.  PERFORMED FIM DMC-B787-A-21-20-F5-72A-421A-A. NO HAZE OR ODOR PRESENT AT GATE, RAN BOTH PACKS INDVIDUALLY AND TOGETHER, WITH BOTH RECIRCULATION FANS AND WITHOUT. UNABLE TO REPLICATE ODOR OR SMOKE DETECTOR ALERT. ALERT OCCURED AFTER DUAL ENGINE START AND SUSPECT FUEL/ODOR WAS INGESTED BY AIR CONDITIONING SYSTEM FROM EXTERNAL SOURCE. CREW TO REPORT FURTHER IF REQUIRED. UNABLE TO REPLICATE AT THIS TIME.

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