FUMES DURING FLIGHT AFTER SWAPPING BLEEDS FROM APU TO ENGINES. FUMES RESOLVED WHEN LEFT PACK WAS SHUT OFF. (FLIGHT 5117)PERFORMED FIM TASK 21-21-0 PERFORMED OPERATION CHECK OF BOTH LEFT AND RIGHT PACKS PER 21-51-00, ISOLATED BLEED SOURCE AND PERFORMED OPERATIONAL CHECK OF BOTH L AND R PACKS, FOUND SMELL TO BE COMING FROM LEFT PACK WITH ALL BLEED SOURCES. VERIFIED RAM SOV IS OPERATIVE. AFTER ACM REPLACEMENT SEE AML 1800178 FOR REPLACEMENT, PERFORMED LEAK CHECK NO LEAKS NOTED. RAN AIRCRAFT IN REFERENCE TO AMM 72-00-00, RAN LH PACK ON BOTH ENGINE AND APU BLEED SOURCES, NO ODORS, FUMES, OR SMOKE NOTED AT THIS TIME, AIRCRAFT OKAY FOR SERVICE.
| Incident date | January 16, 2026 |
|---|---|
| Airline | SWIA |
| Flight | PER21 |
| Aircraft | CNDAIR CL6002B19 |
| Registration | N973SW |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: SWIA fumes or odor report on 2026-01-16 (external.apic4e.faa.gov)
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