What was found
CABIN RATE STARTED CLIMBING RAPIDLY AT AROUND 10,000 FT. CABIN RATE WENT TO DASHES. PRESN AUTO FAIL DISPLAYED ON EICAS.-C/A-DEFERRED AUTOMATIC AND MANUAL PRESSURIZATION CONTROL AS PER MEL 21-19 AUTH#060231DM-C DUE TO LACK OF PARTS. M PROCEDURES C/W. BOTH OUTFLOW VALVES HAVE BEEN LOCKED OPEN AS PER MEL. USING THE INFO IN THE KVA RAR THE PRESSURIZATION DIGITAL CONTROLLER IAW EMB AMM 21-31-01-000-801-A & 21-31-01-400-801-A RESTORED M-PROCEDURES FOR OPC, OPC FAIL, RECOMPLIED WITH M-PROCEDURES MEL REAMINS OPEN END. OPERATIONAL CHECK GOOD IAW EMB-145 AMM 21-31-00 MEL ITEM RESTORED C/W M-PROCEDURES REVERSE