What the symptom can mean
The door state may relate to the interrupted cycle, retained water or the closure system. These possibilities need separating before a handle or lock is proposed.
Record the end state
Say whether the display declared completion, showed a warning or retained a drying indication. Include whether there was visible water and when the programme stopped. Do not force the door to recover the laundry.
Keep the preceding stages
Mention whether washing, draining and spin had all completed normally. Describe a changed handle or latch separately from the time taken for the door to release.