ACRID BURNING SMELL FROM AIR VENTS DURING CLIMB-FL350 AND DESCENT -7000 LASTING 5 MIN EACH . FLIGHT DECK & FWD GALLEY HAS A UNIQUE ODOR, SMELL DISAPATES BEYOND FIRST CLASS. FOB 30.6 AT THE GATE. REF AMM 05-51-26. FOUND RECIRCULATION AIR FILTERS DIRTY. AS PRECAUTION REMOVED AND REPLACED BOTH RECIRCULATION FILTERS REF. AMM 21-25-01/401. FOUND CIC AROUND OUTER EGDGES OF PACK BY PANELS. CLEANED RESIDUAL CIC COMPOUND AND PERFORMED BURN OUT IAW MM 05-51-26. NO FOUL ODORS PRESENT AT THIS TIME.
| Incident date | September 27, 2025 |
|---|---|
| Airline | CALA |
| Flight | FL350 |
| Aircraft | BOEING 737824 |
| Registration | N37273 |
| Affected area | Cockpit |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: CALA fumes or odor report on 2025-09-27 (external.apic4e.faa.gov)
- FAA SDR: CALA fumes or odor report on 2025-09-27 (external.apic4e.faa.gov)
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