What was found
INSPECTION TYPE:N/A DISCREPANCY IN CRUISE AT FL270 BOTH PACKS FAULTED OFF. ECAM PROCEDURES COMPLIED WITH AND EMERGENCY DESCENT INITIATED. PACKS WOULD NOT RESET. AT FL180 PACKS CAME BACK ON. PERFORMED BITE CHECK ON CABIN PRESSURE 10-2 BOX, PNEUMATIC PRESSURE CONTROLLER 102, NO FAULTS NO ECAM MESSAGES EITHER. OPS CK'D PACK 1 & 2, NO DEFECTS NOTED. PACKS OPEN, NORMAL. A/C OK FOR SERVICE.