Hmmm, can you prove the customer had any malice toward that defenseless standpipe? I am with Greg, I no longer offer ANY extra information anymore. AND when it comes to performing tsb's or warranty repairs I write EXACTLY what they want to hear on the back of the work order regardless of my findings. Fuck-em. The fan failed and the engine got a little hot. At least the engine was cooked before it was served. If they want to eat it, let them eat it.