What was found
PACK L ADVISORY PACK IS FAILED OR MANUALLY SHUT OFF. FIM TASK REF : 21-50-F2-D9A-421A-A CMC MSG# 2165221 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CLIMB NARRATIVE: LEFT PACK CONTROL UNIT CHANNEL 1 T/S C/O PER FIM TASK DMC-B787-A-21-50-F2-70A-421A-A. TEST PASSED. L PACK BAY OPENED AND INSPECTED FOR SUSPECTED LEAKS PER AMM. FOUND LEAK AROUND THE ECONOMY COOLING VALVE. FURTHER INVESTIGATION REVEALS LOOSE CLAMP AND DISPLACED DUCTING. ECV ADD EMP:V933953 REINSTALLED PER AMM DMC-B787-A-21-52-07-00A-520A-A . PACKS OPS TEST PASSED. NO FURTHER LEAKS.