73209 sounds likely (although as I wasn't there it would be had for me to confirm anything). Engineering works that require mainline locos or test trains at Farringdon can only use 31s, 33s or 73s. No other locos are cleared to work through the tunnels there.
__________________
REAL LIFE FACT: 3,000 people die each year putting their trousers on!
Well done for making it past that today!
|