As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
"BLEED AIR R FAIL" IN FLIGHT. COMPLIED WITH QRH PROCEDURE. MSG REMAINED ILLUMINATED WITH ADDITIONAL "AIR SYS R NOT OFF". RIGHT SYSTEM INDICATED 80 PSI. FOUND PRSOV VALVE DISCONNECTED IN #2 ENGINE WITH FAV STILL CONNECTED. CORRECTED (M) PROCEDURES OF CURRENT MEL 36-11-01. RECONNECTED PRSOV. OK TO CONTINUE ON DMI