What was found
FLT#33, BOS-CDG. (ETOPS) ' ( CLASS II MX MSG - GPCU OR AC GEN ); REF TSM 24-22-00-810-832-A. INTERROGATED A/C SYS , RESET, & ACCOMPLISHED OPERATIONAL CHECK IAW AMM 24-22-00. OPS CHECK GOOD. NO FAULTS/MSGS NOTED. THIS CLEARS MDDR. PLACARD REMOVED. MX-4 UPDATED. MCC NOTIFIED.