What was found
PDIS 649 21-32 2725351 23APR22 CLT CLOSE AT 34,000 FEET. CABIN DIFFERENTIAL PRESSURE INDICATED 8.1 IN AMBER. CABIN ALTTITUDE INDICATED 9700. INDCATIONS STABILIZED AFTER DESCENT DOWN TO 15K FEET (CAB ALT INDICATED 2300 FT). PRESURIZATION CONTROL IN AUTO MODE. FACT 23APR22 20:09 CLT MX RE-ACTIVATED AND SECURED THE ELECTRO-PNEUMATIC VALVE OPEN, SEE LOGPAGE 272536-1 FOR NEW DEFERRAL. SUPPLEMENTAL INFORMATION: R&R'D MANUAL PRESSURE CONTROLLER IAW AMM 21-32-02. OPS CHECK GOOD IAW AMM 21-31-00-700-801A. CLEAR MEL