# SDR DALA2026020500844

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 3, 2026
- Submitted: February 5, 2026
- Operation: Air carrier
- Aircraft: [N3767](https://openairdocs.org/aircraft/N3767), registered now
- Make and model: Boeing 737832
- Aircraft serial: 30821
- Aircraft time: 76,979 hours, 29,297 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 6454052
- Part serial: 7254
- Condition: Damaged
- Location: Zone 100
- Part time: 116,236 hours, 17,374 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2026020500844

## Discrepancy

FUMES/DE- DECLARED EMERGENCY ON DECENT DUE TO OIL BURNING AND ELECTRICAL SMELL IN THE COCKPIT. CREW DONNED O2 MASKS.   MAINTENANCE R&R RIGHT RECIRCULATING FAN AND FILTER PER B737 AMM 21-25. PERFORMED TAXI AND HIGH ENGINE RUNS, CYCLED PACKS NO FUTHER SMELLS NOTED.

---
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.