What was found
AIRCRAFT WAS GROUNDED: ON FINAL APPROACH AIRCRAFT ENCOUNTER HEAVY RAIN AND CREW NOTED CABIN SMELLY SOCK, ACRID ODOR WITH HAZE IN CABIN. MAINTENANCE: ISOLATED SOURCE OF THE ODOR AS THE APU. (OPEN)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: ON FINAL APPROACH AIRCRAFT ENCOUNTER HEAVY RAIN AND CREW NOTED CABIN SMELLY SOCK, ACRID ODOR WITH HAZE IN CABIN. MAINTENANCE: ISOLATED SOURCE OF THE ODOR AS THE APU. (OPEN)