What was found
"CABIN ALT" MESSAGE AND LIGHTS AT FL 390 30 MIN AFTER "L EMER DOORS" MESSAGE. RT COMPLIED DESCENT TO 10,000 FT AT AROUND 11,000 FT BOTH MESSAGES EXTINGUISHED. DECLARDED EMERGENCY/DIVERT TO ICT FOUND "LOW INFLOW" ON THE NR 1 CONTROLLER. ICT U FOUND LOWER FORWARD ADJUSTING STOP PIN OUT OF RIG. ADJUSTED PIN, DID CABIN ALTITUDE PRESSURE CHECK W/REF TO B757 MM 52-21-01-5. OPERATIONS CHECK GOOD. AC OK TO CONTINUE FOUND LOWER FORWARD ADJUSTING STOP PIN OUT OF RIG ADJUSTED PIN, DID CABIN ALTITUDE PRESSURE CHECK W/REF TO B757 MM 52-21-01-5. OPERATIONS CHECK GOOD. AC OK TO CONTINUE.