DHL wanted a smaller aircraft for routes that could not support larger planes like the 757 or 767, so they decided to convert a BN737 into a cargo plane for item delivery.
The whole process started in 13th of November 2013 and ended on the 9th April 2014. Take a look how it looks like.
Day one: An ex-Japan Transocean 737-400, with the old livery
Paint stripped, engines removed
The main-deck interior is removed
Work underway on the lower hold
Cargo-door hole cut completed
Reinforcement added between decks
The main cargo door as a work-in-progress
Work continues on the main deck
Adding a cargo door requires some serious reinforcement of the airframe
Installation of the cargo loading system is underway
Lower hold interior completed
Ready for painting
Finished conversion, new look