The engineer who works over the thermal system reported there were substantial processes for taking away and inspecting tiles, specifically for big overhauls like one Columbia received in 1999. ''We took lots of tiles off only for that inspection, and no corrosion was found,'' the engineer reported. They even further https://www.facebook.com/permalink.php?story_fbid=pfbid0FHeTxfkLKsmuMojqgNnafZDwyozm3yxChk5FbNzfVtdqZ7JuijdhjAKbFB4azyBPl&id=61560512640678&__cft__[0]=AZXYslvD_fdrZ3qCzDbzHtiO-d6Nu0edQvZaeZxum5BMHmTTlhKakNwQW00Wz1oBtpO3wQK3hmspBFZlop-dLmQXsEutduIySKYOTUxWoTzQ9OIwrc7N44B8P3sp5wGZP5RPO60PcRUw4TM1scNPdUmMAwdfNwMJrzrvXZcsmIHIgjw9zzQ2-HOJMvSeDIiSsoobDxrS66ry76liL5_H2tMZ&__tn__=%2CO%2CP-R