United 232
Printed page 104. PDF page 110.
critical part inspection, such as for rotating engine parts. (Class II, Priority Action) (A-90-177) Also, during .the course 9f this investigation, the National Transportation Safety Board issued the following safety recommendations to the Federal Aviation Administration: OnOpen official document at PDF page 110United Airlines Flight 232, McDonnell Douglas DC-10-10, Sioux Gateway Airport, Sioux City, Iowa, July 19, 1989