What was found
L. PACK TEMP EICAS MSG ON TAXI IN(<P>TRANSFERRED TO MDDR # 147250 IAW MEL 21-51-01-01, CAT C. DUE 30MAY21. MAINTENANCE ACTION C/W. PLACARD INSTALLED. DISPATCH: YK @ 1156Z<BR /></P><P>21MAY, PDX MX, LP 1305908, ITEM M7: REMOVED AND REPLACED L/H AIR CYCLE MACHINE IAW AMM 21-51-03, LEAK CHECK NOT ACCOMPLISHED, FOUND ACM HOT AIR SUPPLY TUBE DAMAGED. DMI REMAINS OPEN.</P><P>LP 1305910, ITEM M13: REPLACED HOT AIR INLET LINE ON LH AIR CYCLE MACHINE WITH NEW AND COMPLETED ACM INSTALL TASK PER 21-51-03-404-016, P/N OFF: 2203103-1, NSN. LEAK CHECK AND OPS TEST GOOD. C/W WO 81227, THIS CLEARS DMI 147250, MEL PROCEDURES REVERSED. PLACARDS REMOVED. DISPATCH JL 20:31Z.</P>)