As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: CABIN REPORTED FUMES DURING TAKEOFF AND CLIMB. STRONG MUSTY LOCKER ROOM SMELL NOTICEABLE IN FORWARD GALLEY, GETTING PROGRESSIVELY STRONGER AFT. VERY STRONG IN AFT GALLEY. DISSIPATED 15 MINUTES AFTER LEVEL OFF, FL300. REOCCURED ON DESCENT. **SUPPLEMENTAL REPORT FOR AALA202311286701: MAINTENANCE FOUND EVIDENCE OF RESIDUAL OIL IN THE APU INLET AND CLEANED THE APU. A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED. ** (CLOSED)