As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: ON DECENT WITH ENGINES IDLE AND HP VALVE OPEN, SMOKE ODOR FROM AIR CONDITIONING SYSTEM. MAINTENANCE FOUND FITTING AT TURBINE BEARING SCAVENGE LINE ON BACK OF GEAR BOX LEAKING. REPLACED FITTING FOR TURBINE BEARING SCAVENGE LINE AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 49-91-00. ** (CLOSED)