As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RT ENG BLEED LGT & RT ENG PRV EICAS MSG DURING CRUISE, WITH ENG BLEED SW ON, & ENG RUNNING. L & R DUCT PSI ARE. LT DUCT PRSS IS 24PSI RDUCT PRSSR IS 3 PSI. NR 2 ENG PRESS REV VALVE IS DEFECTIVE. NEEDS TO BE REPLACED. REPLACED NR 2 ENG PRESSURE REGULATING VALVE. OPS TEST ON ENG RUN-UP SUCCESSFUL.