Exercise at Leuchars and NATO E3A arrives - and dinks wingtip taxying in. GL decides to send replacement which arrives - and slide deploys when door is opened.
GL has, at this stage, run out of spare E3As ans send the 707 freighter/trainer with spare parts to fix number 2. 707 duly arrives and, as it is taxying in, an anonymous voice comes over the airwaves...
"Sh*t.....this one's lost the radome"....