What was found
APU INOP. SURGE WITH BOTH PACKS ON(<P>TRANSFER TO MDDR 142909 IAW MEL 49-11-01A CAT C DUE 06MAR21</P><P>LP:1329164 PERFORM BIT OF APU IAW FIM 49-11 FT 965 FOUND LEAK-TORN DUCT- SURGE VALVE. REMOVED AND REPLACED DUCT IAW AMM 49-53-01 PERFORMED OPS CHK FAILED DUCT PRESSURE FLUCTUATING.</P><P>LP:1329167 REMOVED AND REPLACED APU SURGE CONT. VALVE IAW B767 AMM 49-53-01. OPS CHK GOOD AND LEAK GOOD THIS CLEARS DMI 142909 </P>)