What was found
CABIN ALT 9,000FT WITH ACFT NO PRESSURIZING MEL C13835 21-12-3 PRESS CONTROL AUTO AND MANUAL. PRESS CONTROL AUTO AND MANUAL T/S IRT FIM 21-31-00-810-808-A, R & R DIGITAL PRESS CONTROL IAW AMM 21-31-01. OPS CHECK GOOD ACFT PRESSURIZED ON GROUND, NO DEFECTS NOTED. CLEAR MEL 21-12-3