As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN EICAS MESSAGE IN FLIGHT CLIMBING THROUGH 27000 FT, NR 2 PACK VALVE CLOSED MESSAGE AND NR 2 BLEED VALVE CLOSED MESSAGES ALSO PRESENTED AFTER. R & R RT PRESSURE REGULATOR & SHUTOFF VALVE. OPS CHECKED GOOD. ACFT RELEASED AND RETURNED TO SERVICE.