WTF was OC Eng doing there? It required an engineer, not an Eng Order writer! Eng Officers should not be allowed near aircraft!
Isn't that pretty much true of all ground trade branch officers?
They're like infants really, keep them busy on nothing tasks and they won't cause any serious problems. Sacrifice some unfortunate to be their admin bod, instruct said bod to keep them plied with tea and biscuits and for god's sake, away from the workers, and things generally work better.