Originally Posted by
ukv1145
Is the discolouration pattern on the failed forward suspension bar upper mount indicative of a fatigue crack/cracks prior to failure? Looks possible but I'm no metallurgist.
Answer of your question is in the preliminary report, page 7
"At this preliminary stage of the investigation, detailed metallurgical examinations have not been performed. The examinations so far have not shown any sign of fatigue failure."