Repair Book from 27020 whilst based at Eastfield TMD (ED).
The book was new to the locomotive on the 8th April 1980.

27020 (D5366) Was Withdrawn From Service whilst based at Eastfield TMD (ED) in April 1986
and was later scrapped on site at Thornton Yard by Vic Berry in February 1987.

More information can be found here Wikipedia - BR Class 27  -  Derby Sulzers WebsitePreserved-Diesels Website