✅Inspect and diagnose issues with the door lock mechanism (e.g., jamming, key not turning, misalignment). ✅Disassemble the lock to identify worn-out or damaged components. ✅Repair or replace faulty parts such as cylinders, latches, or strike plates. ✅Lubricate internal components for smooth operation and prevent future issues. ✅Reassemble and test the lock to ensure proper functionality and security.