I can read the first line about "leave" Second one granted ! Badge (I think) Admitted CRS ? What's CRS mean ?
Might be GC Badge = Good Conduct . Would that correspond with his 2 years service on the records? Good Conduct stripe - Wikipedia
Assuming that the location is Eastcote, the following may be of use, although this infers that the planned hospital was not used. However, perhaps it was used as a hospital for a while? RAF Eastcote - Wikipedia