As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PACK FCV R ONE (BUT NOT BOTH) OF THE TWO RIGHT PACK FLOW CONTROL VALVES (FCV) ARE NOT IN THE COMMANDED POSITION. STATUS MSG01- LATCHED TAXI OUT MODE DEPENDENT; UPPER FLOW CONTROL AND SOV (R PACK) TORQUE MOTOR IS NOT IN COMMANDED POSITION. DB- CABIN TEMPERATURE CONTROLLER (R CHAN2) MSG-2124102 LATCHD TA MODE. CHRONIC ITEM DEF PER MEL, REPLACED UPPER FCV. AIR ON OPS TEST NORMAL AND BITE TEST PASSED. PACK OPERATES NORMALLY.