What was found
IRR // AUTO 1 AND AUTO 2 WENT INOP AT 1000 FT AGL. UNABLE TO READ CABIN PRESSURE OR RATE WHEN IN MANUAL - CABIN DIFF PRESSURE OK AND OUTFLOW VALVE WAS OK IN MANUAL, RESET C/B W/MAINT CONCURENCE NO HELP - DIVERTED TO MCO. REPLACED CABIN PRESSURIZATION PANEL INDICATOR. BIT BOTH AUTO CONTROLLERS WITH NO FAULTS SHOWN ON EITHER CONTROLLER. PRESSURIZED A/C SEVERAL TIMES. DIFF IND, CABIN RATE AND CABIN ALT ALL CK OK PER MM 21-33-01