What was found
RIC/CLT - FLT 761 - CABIN ALTITUDE CONTROLLER FAILED TO MAINTAIN ALTITUDE AND CLIMBED AT A HIGH RATE ABOVE 10,000 FEET. DESCENDED TO 8,000 FEET. PERFORMED BITE CHECK ON NR 1 AND NR 2 PRESSURIZATION CONTROLLERS. NO FAULTS FOUND. RAN NR 1 AND NR 2 PACKS, OPS NORMAL. (X)