As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGECNY WAS DECLARED DUE TO A SMOKE / ODOR / FUMES EVENT DECENDING THROUGH 15,000FT. STRONG ACRID ODOR. FLIGHT DECK OXYGEN USED FOR APPROXIMATELY 20 MINUTES. THE AIRCRAFT LANDED AT TPA SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU DUE TO FINDING IT SOAKED WITH OIL. **SUPPLEMENTAL REPORT FOR AALA202301253774: MAINTENANCE REPLACED APU PER TASK CARD 26L31049003 .**(CLOSED)