As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANTS REPORTED THAT PRIOR TO LANDING A BURNING SMELLWAS NOTED IN ENTIRE AIRCRAFT BUT WAS MORE NOTICEABLE IN THE REAR OF THE AIRCRAFT. **SUPPLEMENTAL REPORT FOR AALA202405061774: MAINTENANCE FOUND THE APU GEAR BOX AIR-OIL SEPERATOR AND VENT LINE HAD COKING / CLOGGED.AND REPLACED IT PER AMM 49-00-00. A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.** (CLOSED)