What was found
PDIS 652 21-31 2174011 27SEP20 LEX CLOSE. CABIN WOULD NOT AUTO PRESSURIZE AFTER TAKEOFF. IN MANUAL, CABIN ALT INDICATION FAILED AFTER 10 MINS. INDICATION CAME BACK AFTER LANDING. FACT 27SEP20 13:30 LEX. INSPECTED CPAM AND CB FOR PROPER OPERATION, NO DEFECTS FOUND. PERFORMED PRESSURE CONTROL SYSTEM OPERATIONS CHECKS MANUAL AND AUTO MODES, IAW AMM 21-31-00-700-801-A AND 21-31-00-700-802-A, NO DEFECTS NOTED. OPS CHECKS GOOD, OK FOR SERVICE.