As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CARGO DOOR LIGHT CAME ON AT FL 230. DOOR UNSAFE LIGHT AND LATCH UNLOCK LIGHTS CAME ON. FOUND STRIKER PLATE SLIPPING OFF TORQUE TUBE LOCK SWITCH PLUNGER. RESHIMMED, SWITCH OPS CHECKED OK. PRESSURIZED AND UNPRESSURIZED PER MM 52-34-01.