HR 37
The problem on the Hr 37 was located to a non-sandwiched hull, see comment from Cruisingworld.com:
"The problem as stated by three different surveyors, evidenced by plugs taken out and by ultrasonic, is that the non-sandwiched hull under the waterline is delaminated. HR have taken the...
Found a thread about a new HR37 with delaminated hull on Cruisingworld.com. How can these types of problem can appears on an almost new boat? Manufacturing problem, accident with the boat.....?
http://forums.cruisingworld.com/showthread.php?t=19977