Originally Posted by robin
To get the certificate, the maintenance organisation may well want to reinspect the aircraft before issuing the new certificate, although that might depend on how much they know about the aircraft.
Of course, if you do upgrade, then you fall foul of the new engine time regs, so it might not even be possible if your engine is on condition, or if it has tripped the calendar life.
By certificate,do you mean certificate of release or airworthyness? I don't think it should fall foul of the new engine time regs, 328hrs TTE and TTAF