AIRCRAFT WAS GROUNDED: AT CRUZE FL400 APPROX 1 HOUR INTO THE FLIGHT, CA AND FO VOCALIZED UNKNOWN ODOR IN FLIGHT. MAINTENANCE PERFORMED GROUND TEST OF FLIGHT DECK HUMIDIFIER, AMM 21-71-02, HAD A SLIGHT ODER. REMOVED AND REPLACED HUMIDIFIER PAD, RAN TEST-NO ODERS, REF AMM 21-71-04. C/W SOF JC 78L00021001. ODER WAS CONTAINED TO FD ONLY.
| Incident date | March 13, 2026 |
|---|---|
| Airline | AALA |
| Flight | FL400 |
| Aircraft | BOEING 7878 |
| Registration | N871AY |
| Affected area | Cockpit |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: AALA fumes or odor report on 2026-03-13 (external.apic4e.faa.gov)
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