What was found
DIVERTED, CABIN PRESSURE LOSS, ALTITIDE 33,000 FT, SYSTEM 1 FAULT, AUTOMATIC CABIN PRESSURE CONTROL SYSTEM- CPC1, AUTOMATIC CABIN PRESSURE CONTROL SYSTEM- CPC1, R & R CPC 1 IAW AMM 21-31-34. OPS CHECK GOOD IAW AMM 21-31-00-710-002-A. OPS CHECK OF OUT FLOW VALVE GOOD IAW AMM 21-31-00-710-003-A.