As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ISSUE; CREW REPORTED BLEED 2 FAIL AND BLEED 2 VALVE CLOSED MESSAGES WHEN PASSING THROUGH 18,000 FEET. NOTICED DURING PNEUMATIC CHECKS AT 18000 FEET. RESET BLEED 2 PER THE QRH AND MESSAGES REMAINED. AIR RETURN. CORR ACTION; MX TROUBLESHOT TO BAD VALVE. REMOVED AND REPLACED E2 BLEED VALVE ALL OPS AND LEAK CHECKS GOOD.