5 if G500/ G550: Prior to Engine Serial Number 15229 72 OPT N/A 0.0 0 26 Nov 2007 C 0.00 880439 SB 6R700-72-101471 - Metco 58 Engine 1 Coated LP Compressor Blades NOTE: Prior to Engine 72 REC N/A Serial Number 15214 0.0 0 26 Nov 2007 C 0.00 880439 SB BR700.72-101471 - Metco 58 Engine 2 (890439) C