AIRCRAFT WAS GROUNDED: ABOUT 5 MINUTES AFTER ENGINE START CABIN WAS NOT COOLING DOWN. WE SWITCHED TO MAX COOLING FROM THE APU. ABOUT 30 MINUTES LATER 3 OF 4 FLIGHT ATTENDANT AND SOME PASSENGERS COMPLAINED OF SMELLING FUMES AND ASLIGHT HEADACHE. IT WAS MOSTLY AT THE REAR OF THE CABIN. REPLACED O-RING "SEAL" (AALA202503252772) BETWEEN APU "B" FCU AND OIL LUBE UNIT, PER AMM 49-31-11. REMOVE AND REPLACED ELEVATOR A/P "B" ACTUATOR (AALA202504014312), PER AMM 22-11-26. CLEANED APU COMPRTMENT, PER AMM 49-16-11. ACCOMPLISHED SOF TROUBLESHOOTING J/C #08L00021001. NO ODOR ADDTIONAL ENCOUNTERED.
| Incident date | March 24, 2025 |
|---|---|
| Airline | AALA |
| Flight | OF4 |
| Aircraft | BOEING 737823 |
| Registration | N972AN |
| Affected area | Engine |
| Event type | Fumes or Odor |
| Verification | Official |
Sources
- FAA SDR: AALA fumes or odor report on 2025-03-24 (external.apic4e.faa.gov)
- FAA SDR: AALA fumes or odor report on 2025-03-24 (external.apic4e.faa.gov)
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