AIRCRAFT 5091, WHILE CLIMBING THROUGH FL 280- FL 300, FLIGHT ATTENDAT REPORTED "ROTTON EGG" SMELL DURING CLIMBOUT. CYCLING FROM PRESENT TO NOT PERSENT EVERY FEW MINUTES. EQRH STEPS TAKEN TO ISOLATE ODOR COMING FROM PACK 1. PACK 1 TURNED OFF FOR REMAINDER OF FLT. NO ODOR PRESENT. CORRECTIVE ACTION: T/S SOURCE OF ODOR TO NO.1 ENG OVERSERVICED. RAN NO. 1 ENGINE AND DRAINED TO PROPER LEVEL. REF AMDS 0550-2002 AND A321 AMM 21-00-00-615-803-A. (LP 7190572, 1278749)
| Incident date | October 30, 2025 |
|---|---|
| Airline | DALA |
| Flight | FL280 |
| Aircraft | AIRBUS A321271NX |
| Registration | N591DT |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: DALA fumes or odor report on 2025-10-30 (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.