Toy in inspection recalled, water having got in (5,3)
I believe the answer is:
train set
'toy' is the definition.
(train set is a type of toy)
'inspection recalled water having got in' is the wordplay.
'inspection' becomes 'test'.
'recalled' is a reversal indicator (to recall can mean to bring something back).
'water' becomes 'rain' (rain is a kind of water).
'having got in' is an insertion indicator.
'test' backwards is 'tset'.
'tset' enclosing 'rain' is 'TRAIN-SET'.
'in' is the link.
(Other definitions for train set that I've seen before include "scaled-down transport system" , "Layout with engines" , "Toy railway" , "Number of tracked items" , "Strange treats in store for this model toy" .)