As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CATERING REPORTED THE L2 DOOR WILL NOT OPEN, STUCK AT MID-POINT. ACFT GROUNDED. TROUBLESHOOTING FOUND FUSELAGE TORQUE TUBE FAILED, HAD A SHEARED BOLT IN THE MIDDLE OF TORQUE TUBE. REPLACED THE L2 DOOR TORQUE TUBE ASSEMBLY IAW AMM 52-13-41-000-801, & 52-13-41-400-801.