Report heard at a certain level (6)
I believe the answer is:
Here is my best explanation:
'level' is the definition.
'report heard at a certain' is the wordplay.
I cannot quite understand how this works, but
'heard' could be 'e' (I've seen this in other clues) and 'e' is found within the answer.
'report' could be 'story' (story is a kind of report) and 'story' is present in the leftover letters.
This accounts for all the letters.
This explanation may well be incorrect...
Can you help me to learn more?