What was found
BATTERY TEMP INDICATED 120 DEGREES WITH AMBER LIGHT. POWERED UP ACFT PERFORMED DIGITAL BATTERY TEMP MONITOR TEST, WITH NO DEFECTS NOTED. BELT HAD BEEN REPLACED FOR SIMILAR ISSUE NOT LONG AGO. FOUND LT ENG BLEED "Y" DUCT JUST ABOVE FWD SVCC BAY ENTRY DOOR TO HAVE A LEAK. R & R LT ENGINE BLEED SUPPLY DUCT IAW MM 21-00-00. OPS AND LEAK CHECKED GOOD. NO FURTHER BATTERY TEMP INDICATION NOTED AT THIS TIME.