What was found
PACK R ADVISORY PACK IS FAILED OR MANUALLY SHUT DOWN. FIM TASK REF : 21-50-F2-E0A-421A-A CMC MSG# 2165174 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: INITIAL CLIMB NARRATIVE: RIGHT PACK CONTROL UNIT CHANNEL 2 CMC MSG# 2165173 FLIGHT STATUS: L INTERMITTENCE CODE: M PH: CLIMB NARRATIVE: RIGHT PACK CONTROL UNIT CHANNEL 2 CMC.FOUND MESSAGES 21-65173& 21-65174 ON EXISTING FAULTS. ACCOMPLISHED FAULT ISOLATION REF FIM DMC-B787-A-21-50-F1-89A-421A-A AND DMC-B787-A-21-50-90A-421A-A. PERFORMED GROUND TEST 21 CABIN AIR CONDITIONING TEMP CONTROL ADD EMP:U118179,U390759 INSTALLED R/H ACM UP TO HARD POINT. NEED TO CONTINUE INSTALLATION IAW AMM 21-52-02-02A-720A. ADD EMP:U070086 ROTABLE PARTS CHANGE WAS INDICATED - TT # 1605763 SN OFF 4849 MACHINE, AIR CY OFF 79-2152-9-0005 4849 ON 79-2152-9-0005 5551 MACHINE, AIR CY OFF 79-2152-9-0005 4849 ON 0000 TEST RIGHT PACK AIR ON AND FAULTING MSG 21-65223. FOUND RIGHT ACM SEIZED AND RPM 0 DURING GROUND TEST. REMOVED ACM REF DMC-B787-A-21-52-02-02A-520A-A. COMPLETED INSTALLATION OF RIGHT ACM OPS CHECK AND LEAK CHECK GOOD. REF AMM 21-52-02 NO STATUS OR MX-MSGS PRESENT.