As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLIGHT ATTENDANT REPORTED SMELLING A CHEMICAL / MUSTY ODOR IN AFT GALLEY AREA DURING DECENT. MAINTENANCE HAS ISOLATED THE SOURCE OF THE ODOR TO THE APU. **ORIGINAL REPORT WAS AALA202111049028** FOUND APU OIL COOLING FAN LEAKING AND REPLACED IT PER AMM 49-52-09. ALSO FOUND THE APU LUBE MODULE LEAKING FROM THE SEAL PLATE AND REPLACED IT PER AMM 49-91-45 (AALA202111127320). A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.