"Immediately after throttling back the number 2 engine, the first officer advised London Air Traffic Control that they had an emergency situation which looked like a fire. The commander then ordered the first officer 'SHUT IT DOWN'." [page 4]

input(first_officer, throttle_back(engine_2), 20_05_24). (1)

• Non-trivial to find exact timing.
  
  
• Given in Appendix 4, p. 170.