What was found
EICAS MSG CABIN ALTITUDE DISPLAYED, CABIN ALT AND CABIN ALTITUDE LIGHTS ILLUMINATED UNABLE TO RESTORE PRESSURE USING MANUAL MODE. OUTFLOW VALVE INDICATED FULLLY CLOSED. CABIN RTAE OF CLIMB FLUCTUATED WILDLY. CREW DONNED 02 MASKS. R/R CABIN PRESSURE SELECTOR IAW 21-31-01-4. OPS NORMAL. ACCOMPLISHED PRESS CONTROLLER BITE FIM 21-30-00 FIG 103. NO FAULTS. ALSO ACCOMPLISHED FIG 109. PRESSURIZED A/C CHECKED FOR LEAKS. CHECKS GOOD.