Repair Book from 37114  whilst based In Scotland during 1981/1982..
The book was first used on the locomotive on 8th November 1981.
37114 (D6814) Was Withdrawn From Service in the WKAD pool based at Toton TMD in December 2004 and scrapped at EMR Kingsbury in January 2008.
 
More information can be found here Wikipedia - BR Class 37  -  Class 37 Locomotive Group - Preserved-Diesels Website