What was found
#1 ENG BLEED OFF EICAS CAUTION DURING TAKEOFF AND CLIMB PORTION OF FLIGHT. ITEM M2: L DUCT PRESSURE INDICATED 10-15 PSI FOR DURATION.(<P>TRANSFER TO MDDR #124368 IAW MEL 36-12-02-01, CAT 'C', DUE DATE 16FEB20. ALL MX PROCEDURES C/W, ETOPS 120.</P><P>LP 1226297 - M12: REMOVED AND REPLACED FAN AIR TEMP SENSOR AIR FILTER PER AMM 36-11-17 (OFF PART: PN <SPAN>727604-4, NSN</SPAN><SPAN>). OPS AND LEAK CHECK GOOD. THIS CLEARS MDDR 124368.</SPAN></P><P><SPAN>LP </SPAN><SPAN>1226301: </SPAN><SPAN>REOPENED MDDR 124368 AS PER MEL 36-12-02-01, CAT C, DUE DATE 16FEB20. ALL MX PROCEDURES COMPLIED WITH.</SPAN></P><P><SPAN>LP 1113575: </SPAN><SPAN>REMOVED AND REPLACED FAN AIR TEMP SENSOR IAW 36-11-17 AND OPS CHK GOOD. THIS CLEARS MDDR 124368.