# SDR IPXA2026040178819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 2, 2026
- Operation: Air carrier
- Aircraft: [N620UP](https://openairdocs.org/aircraft/N620UP), registered now
- Make and model: Boeing 747-8F
- Registry model: [Boeing 747-8F](https://openairdocs.org/model/boeing-747-8f) (OpenAirDocs)
- Aircraft serial: 65787
- Aircraft time: 24,169 hours, 3,604 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Smoke Detector
- Condition: False Activation
- Location: Zone 200
- Stage of operation: LD
- 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/IPXA2026040178819

## Discrepancy

***EMERGENCY DECLARED*** CREW REST SMOKE DETECTION ALARM AFTER LANDING FLT CREW DEBRIEF IS THEY DID SEE SMOKE/FUMES FROM CREW REST AREA BUT IT WASNT PRESENT ON BLOCK IN. SUSPECT RUNWAY DEICING FLUID INJESTION UPON LANDING. PERFORMED CREW REST SMOKE DETECTION OPS TEST PER AMM 26-14-60-710-801 & TEST PASSED ON ALL 3 SMOKE DETECTORS. PERFORMED FIRE/OVHT GRND TEST & TEST PASSED PER AMM 26-14-00. RAN ALL 3 PACKS SINCE BLOCK IN AND NO VISIBLE SMOKE OBSERVED INSIDE A/C & NO ODOR. CMC REPORTS NO FAULTS WITH SMOKE DETECTION SYS.

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