As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED FAMV R RIGHT ENGINE BLEED FAN AIR MODULATING VALVE (FAMV) FAILED OPEN OR CLOSED, OR RIGHT AIR SUPPLY AND CABIN PRESSURE CONTROLLER FAILURE. STATUS MSG-3610340 LATCHD TA MODE. VALVE LOCKED FULL OPEN POSITION PER MEL. NEED MORE TIME TO TROUBLESHOOT. RE-DEFERRED DUE PARTS. T-S ACP REF FIM 36-11 TASK810 CONFIRMED FAMV AT FAULT. PCN 646-9012 REQUIRED. REPLACED NR 2 ENGINE FAN AIR MODULATING VALVE PER MM.