From the ever-helpful 'thebasource.com':-
March 14 2015
British Airways Boeing 787-8 G-ZBJC, which has been under maintenance at Cambridge since 10th March, positioned Cambridge – London Heathrow this morning as BA9172.
March 14, 2015
BA CityFlyer Embraer 190 G-LCYR positioned London City – Cambridge for maintenance this morning as BA9771.
Last edited by G-ARZG; 16th Mar 2015 at 19:52.
Reason: add E-Jet info