As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT 6403 JFK-BNA, ON HEAVY MAINTENANCE CHECK AT BNA - THE R2 DOOR FAILED TO OPEN CORRECTLY DURING OPS CHECK. FOUND PNEUMATIC ACTUATOR IN DISARMED POSITION. ARMED AND SAFETIED THE PNEUMATIC ACTUATOR ON THE AFT SERVICE DOOR IAW AMM 52-42-53.