An excellent film camera repairman is Dave Illot of Aztech Services. He specialises in Nikon but is equally competent an all other makes. He does not charge to look at a camera and has no minimum charge. If it costs say 10 then that is what he will charge, if it can't be repaired then there is no charge.
His contact is by email :- aztech.services@btopenworld.com
Telephone:- 01425 674004
Address:- The Workshop,
Oakwood,
Ringwood Road,
Bransgore,
Dorset,
BH23 8AA.
Tony