What was found
HIGH ENG OIL TEMP ON BOTH ENGS. TROUBLE SHOT BY INSPECTION OF OIL COOLERS, BYPASS VLVS & ENG OIL INDICATING TEMP PROBES. REMOVED OIL COOLERS FOR CLEANING PROCEDURE IAW AMM 79-22-00. WHEN THE BLOWER BAN WAS REMOVED FROM NR 2 SIDE IT WAS DISCOVERED THE BLOWER SHAFT WAS SHEARED. REMOVED & INSPECTED NR 1 BLOWER FAN & DISCOVERED THIS SHAFT HAD SHEARED AS WELL. INSPECTED TRANSMISSION OIL FILTER FOR DEBRIS, NO DEFECTS NOTED. INSPECTED CHIP DETECTOR, NO DEFECTS NOTED. FAN PNS LT L792M3005105 2143+38 TIS RT L972M3004105 2143+38 TIS.