Southwest 1380
Printed page 2. PDF page 18.
use of oxygen masks. During postaccident interviews, the flight crewmembers reported some initial confusion about the position of the switch that allowed the crewmembers to communicate through a microphone in their oxygen mask. 9 5 (a) According to Boeing's 737-600/700/Open official document at PDF page 18Left Engine Failure and Subsequent Depressurization: Southwest Airlines Flight 1380, Boeing 737-7H4, N772SW, Philadelphia, Pennsylvania, April 17, 2018