AIRCRAFT WAS GROUNDED: FUME EVENT STRONG CHEMICAL SMELL (SMELLS LIKE FERTILIZER) ON DESCENT AND THEN AGAIN ON THE GROUND WITH THE HIGH PRESSURE CART ATTACHED AND THE PACKS SELECTED ON. VERIFIED ENGINE OIL LEAKING OUT OF APU DRAIN MAST. VERIFIED ENGINE OIL LEAKING OUT OF APU DRAIN MAST. REMOVE AND REPLACED AFT BEARING OIL RETURN TUBE. OPERATIONAL LEAK CHECK GOOD. REF CMM 49-26-95.
| Incident date | August 4, 2025 |
|---|---|
| Airline | AALA |
| Flight | CMM49 |
| Aircraft | BOEING 737823 |
| Registration | N867NN |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: AALA fumes or odor report on 2025-08-04 (external.apic4e.faa.gov)
This entry summarizes publicly reported information and links to the original reporting or official record. Details can change as authorities and operators release additional information.