As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: DIRTY SOCKS ODOR IN FLIGHT DECK DURING DESCENT WITH PACKS ON. MAINTENANCE ISOLATED THE SOURCE OF THE ODOR TO THE APU. **SUPPLEMENTAL REPORT FOR AALA202310050433: REPLACED APU PER TASK CARD 26L31049003. ** (CLOSED)