LHR Incident 24/10/04 2025z ??? (or how not to jump into journo mode)

[Doors to Automatic]

Woodpecker,

The 28s became 27s around June 1987. 23L became 23 much earlier than that, I'm guessing the early 1970s.

Not sure when 23 accepted it's last landing but I would guess sometime last year.