# SDR CALA2025092209072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 19, 2025
- Submitted: September 22, 2025
- Operation: Air carrier
- Aircraft: [N20904](https://openairdocs.org/aircraft/N20904), registered now
- Make and model: Boeing 787-8
- Registry model: [Boeing 787-8](https://openairdocs.org/model/boeing-787-8) (OpenAirDocs)
- Aircraft serial: 34824
- Aircraft time: 49,726 hours, 6,378 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Zone 200
- Stage of operation: NR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2025092209072

## Discrepancy

SMOKE REST UPPER DOOR 4 CAUTION, SMOKE IS DETECTED IN THE UPPER CREW REST COMPARTMENT AT DOOR 4. NO SMOKE BUT VAPE SMELL NEAR AFT LAVS CHECKED OFAR AND AFT LAVS AREA. NO EVIDENCE OF SMOKE OR VAPE AND NO ALARMS DISPLAYED. OK TO CONTINUE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.