FUME EVENT DESCENDING THRU 17,000 – 18,000 DIRTY SOCK SMELL DETECTED THEN DISAPPEARED. RETURNED AT 10,560 FEET MUCH STRONGER DIRTY SOCK SMELL. CHECKLIST PROCEDURE CALLED FOR PACK 1 OFF. UNKNOWN IF ODOR PERSISTED DUE TO OXYGEN USE TO GATE. COMPLIED WITH W/O 603333 NR 1 ENGINE REMOVED AND REPLACED IAW TASK CARDS MP71042-05 AND MP71042-06. AC RETURNED TO SERVICE. ORIGINAL SUBMISSION DATE: 06/10/2026
| Incident date | June 5, 2026 |
|---|---|
| Airline | F3LA |
| Flight | AT10 |
| Aircraft | AIRBUS A321271NX |
| Registration | N641FR |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: F3LA fumes or odor report on 2026-06-05 (external.apic4e.faa.gov)
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