What was found
AIRCRAFT WAS GROUNDED: ON DECENT WITH ENGINES IDLE AND HP VALVE OPEN, SMOKE ODOR FROM AIR CONDITIONING SYSTEM. (OPEN)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS GROUNDED: ON DECENT WITH ENGINES IDLE AND HP VALVE OPEN, SMOKE ODOR FROM AIR CONDITIONING SYSTEM. (OPEN)