What was found
(CAN) THE CUSTOMER WAS FORCED TO MAKE AN EMERGENCY LANDING, AFTER REPORTS OF CARGO SMOKE WARNING LIGHT IN FLIGHT DECK. NOT CABIN CONTAMINATION, THE CREW DISCHARGED THE EMERGENCY BOTTLES IN THE CARGO BAY AND LANDED. THE PRELIMINARY ON GROUND TROUBLESHOOTING REVEALED PRESENCE OF ENGINE OIL IN THE P2.7 BLEED DUCTING AND ENGINE OIL LEVEL WAS FOUND LOW BELOW DIP STICK LEVEL. TROUBLESHOOTING ON-GOING.