strobe light check
Regarding check of exteriour lights (strobe lights) by pulling the mentioned cirquitbraker is more or less the only easy way to verify if they are working depending of aircraft setup-Some of the aircrafts have modified the system so by just selecting the strobe switch on F/O glareshield lighting pnl it does come on. But basicly all of them I have seen during the years aircraft must be in FLT mode to get the strobe to come on, thereby engineers pulling it. Just for info our company have just the last 6 months filed no less than 6 official complains to two different maintenance providers operating in Spain for forgetting to reset C/B after carried out work on aircraft. That is then probably only a fractional of the actual ammount it has been forgotten by maintenance.
Normally it is just resettet and not mentioned to anyone but since the incident and the knowlegde of the magnitude it potentially could have it have been started to be reported when found C/B in out position when entering the aircraft.
Regards L1011