What was found
ATB/DE- DUE TO STRONG CHEMICAL SMELL IN FLIGHT DECK. PILOTS DONNED MASKS, DECLARED EMERGENCY AND RETURNED TO ATL. PERFORMED DUCT BURNS WITH NO NOTED ODORS. REPLACED RECIRCULATION FILTERS. (LOG 8590444 - AIRCRAFT WAS GROUNDED).
- Difficulty date
- April 15, 2026
- Submitted
- April 16, 2026
- Operation
- Air carrier
- Aircraft
- N805DN
- Make and model
- Boeing 737932ER
- Aircraft serial
- 31913
- Aircraft time
- 40,424 hours, 15,664 cycles
- System (JASC)
- 2120 · Air Distribution System
- Part
- Unknown
- Condition
- Odor
- Location
- Cockpit
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- B
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.