A 747 flying around on what looks like a flight check maybe after some maintenance? Anyone know a tail number any other info?
Tail: 9VSMU
Operated by Singapore Airlines
Happens to be the 1000th 747 built
C/N 27068
Theres been a few Singapore Airlines 747s down in So Cal.
http://cdn-www.airliners.net/aviation-photos/middle/2/8/5/1764582.jpg
Southern California Aviation LLC, based in So Cal Logistics Arpt performs maintenance on commercial aircraft including Singapore, so probably got fixed up and tested before going back into service.