As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLIGHT DECK AND CABIN HAD STRONG ODOR OF ALCOHOL. COMPLAINTS FROM PAX. POST INSPECTION MAINTENANCE FOUND NO BLUE FLUID IN LAV TANK, JUST 2 GALLONS OF CLEAR ALCOHOL. MAINTENANCE DRAINED AND FLUSHED. RAN A/C WITH BLEEDS SELECTED UNTIL ODOR DISSIPATED FROM A/C BELIEVED TO BE CLEANING SOLUTION.