Southwest 1380
Printed page 72. PDF page 88.
state of the fan blades, the size of the crack on the accident fan blade was likely below the visual inspection detection threshold. The crack was located outboard of the fan blade dovetail coating. However, during the investigation of theOpen official document at PDF page 88Left Engine Failure and Subsequent Depressurization: Southwest Airlines Flight 1380, Boeing 737-7H4, N772SW, Philadelphia, Pennsylvania, April 17, 2018