The most common and most likely answer to this crossword clue is the 4 letter word GONG
I've seen this crossword clue in The Guardian
G
O
N
G
More clues leading to the result GONG
- On the way out, I dispatched award
- Award accepted? One’s rejected
- Instrument running without current
- Departing, upstanding character abandoned honour
- Departing, having forfeited one award
- Note framed by giant percussion instrument
- Current international rejected award
- Working to get rid of one part of the percussion section?
- Moving after I lost medal
- Corrosion ultimately breaking giant instrument
Buddy explains!

The straight part
We know that "part of the percussion section" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of the percussion section = gong.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 GONG mean?
GONG noun- A percussion instrument consisting of a metal disk that emits a sonorous sound when struck with a soft hammer.
- A medal or award, particularly Knight Bachelor.
- To make the sound of a gong; to ring a gong.
- To send a signal to, using a gong or similar device.
- To give an award or medal to.
- An outhouse: an outbuilding used as a lavatory.
- The contents of an outhouse pit: shit.
- A kind of cultivation energy, more powerful than qi.
- An advanced practice that cultivates such energy.