What was found
WHILE CLIMBING THROUGH 7,000 FT, THERE WAS NO INDICATION ON THE CPAM DISPLAY ON EICAS. CREW REPORTED DASHED LINES FOR CABIN PSI, RATE OF CLIMB, AND CABIN ALTITUDE. THE ACFT RETURNED TO FILED AND LANDED WITHOUT INCIDENT. MAINT RESET THE CPAM CIRCUIT BREAKER AND CYCLED POWER IAW THE FIM 21-31-00 THE INDICATION RETURNED WITH NO FURTHER DEFECTS NOTED. (K)