LTU932 From Germany, joined Jan 2006, 14225 posts, RR: 46
Reply 1, posted (9 years 2 months 1 hour ago) and read 3322 times:
They're not different. Just that a great part of the cockpit window frames were painted white to colourmatch the fuse. Sometimes an unpainted one can appear if it had to be replaced before a D-Check or a visit to the paintshop, so what you see is perfectly normal, at least for BA.