What was found
DURING CLIMBOUT, A LEVEL 2 AIR SYS 2 PRESSURE LOW LIGHT. RAN QRH STILL NO PRESSURE ON THE NR 2 SYSTEM. AIRCRAFT WAS NOT PRESSURIZING ON SCHEDULE. AT FL260 CABIN ALT. 4000' CLIMBING. FOUND SENSE LINE ON THE NR 2 PRV BROKEN AND PRV CONNECTOR P1-8057 DAMAGED. THE CONNECTOR WAS LOOSE AND COULD MOVE HARNESS AND ACTIVATE SOLENOID. REPLACED THE SENSE LINE AND WRI 36-12/4925. REMOVED AND REPLACED THE NR 2 PRV IAW AMM 36-12-01-4. TESTED GOOD. PRESSURIZED THE ACFT USING NR 2 PNEUMATICS. ACFT PRESSURIZED NORMALLY IAW AMM 21-00-00-5. MANIFOLD PRESSURE SENSOR PM2 CHECKED GOOD.