What was found
MAIN CABIN DOOR WOULD NOT OPEN FROM THE INSIDE OF ACFT. MAINTENANCE FOUND THE MAIN CABIN DOOR RETAINER RING OUT OF PLACE AND R & R RETAINER RING ON TORQUE TUBE. OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MAIN CABIN DOOR WOULD NOT OPEN FROM THE INSIDE OF ACFT. MAINTENANCE FOUND THE MAIN CABIN DOOR RETAINER RING OUT OF PLACE AND R & R RETAINER RING ON TORQUE TUBE. OPS CHECK GOOD. ACFT WAS APPROVED FOR RETURN TO SERVICE.