The most common and most likely answer to this crossword clue is the 5 letter word PANEL
I've seen this crossword clue in The Times
P
A
N
E
L
More clues leading to the result PANEL
- Section of door and piece of window left
- Review body, perhaps, to criticise closures of theatre and hospital
- Suddenly rush up holding new body part for car
- Piece of glass left in compartment
- Piece of glass left in section of door
- Most of skin one’s revealed in part of strip?
- People who judge severely criticise Spanish article
- Interviewers help an election to some extent
- Crude saddle, smooth but second to bottom
- Board bound to flip about pension, ultimately
Buddy explains!

The straight part
We know that "section of door" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case section of door = panel.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does PANEL mean?
PANEL noun- A (usually) rectangular section of a surface, or of a covering or of a wall, fence etc.
- A group of people gathered to judge, interview, discuss etc. as on a television or radio broadcast for example.
- An individual frame or drawing in a comic.
- A type of GUI widget, such as a control panel.
- A document containing the names of persons summoned as jurors by the sheriff; hence, more generally, the whole jury.
- A prisoner arraigned for trial at the bar of a criminal court.
- A piece of cloth serving as a saddle.
- A soft pad beneath a saddletree to prevent chafing.
- (joinery) A board having its edges inserted in the groove of a surrounding frame.
- One of the faces of a hewn stone.
- A slab or plank of wood used instead of a canvas for painting on.
- A heap of dressed ore.
- One of the districts divided by pillars of extra size, into which a mine is laid off in one system of extracting coal.
- A frame for carrying a mortar.
- A plain strip or band, as of velvet or plush, placed at intervals lengthwise on the skirt of a dress, for ornament.
- A portion of a framed structure between adjacent posts or struts, as in a bridge truss.
- A list of doctors who could provide limited free healthcare prior to the introduction of the NHS.
- A group of tests or assays, a battery.
- To fit with panels.