# SDR CALA2025041503864

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2025
- Submitted: April 15, 2025
- Operation: Air carrier
- Aircraft: [N798UA](https://openairdocs.org/aircraft/N798UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26928
- Aircraft time: 109,534 hours, 14,564 cycles
- System (JASC): [2610 · Detection System](https://openairdocs.org/jasc/2610)
- Part: Warning Message
- Condition: False Activation
- Location: Zone 200
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025041503864

## Discrepancy

SMOKE REST UPPER DOOR 3 EICAS CAUTION SMOKE IS DETECTED IN THE UPPER CREW REST COMPARTMENT AT DOOR 3. WILL NOT RESET CREW REPORTS: ISSUE WAS EICAS MESSAGE ONLY NO SMOKE OR ODOR WAS NOTED. PERFORMED OHAR SMOKE DETECTOR FUNCTIONAL TEST. I.A.W AMM: 26-14-50 REV 103.

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