Summerwind, I know what you felt. I lost a scratch built last week from a battery failure, it open and turned off everything airborne. This was with a 72mhz Futaba system. One of the welded tabs let loose from the battery cell. THe plane circled for several minutes, loosing about 5 ft of elevation each revolution. Its a bad feeling not having any control and the plane is still flying.

JR is making hay off this problem. The last Model Avaiation on the back cover, has a JR/Spectrum ad saying that their receiver will still work when the case starts to deform at 307 degrees. Futaba had a notice on their site and there was a thread that both got pulled down about the FUtaba heat issue. I haven't seen anything more on FUtabas site no here on RCUniverse. I'm not flying 2.4, but I'm the web master for our club and I have a page with all known (verified) issues with radios. WWW.Sloflyers.com

Sorry about the plane, and I would send in the receiver for a checkup and tell them you would like a replacement plane also.

Don