Summary of #UA837 incident today. Boom heard over San Bruno was failure of 1/4 engines. 217 people safe now at #SFO. pic.twitter.com/Evo7Zw5DRk — Kristen Sze (@abc7kristensze) November 28, 2016

#breaking happy to report #UA837 which lost an engine over San Bruno has landed safely at #SFO!! pic.twitter.com/seRpvCcfFh — Kristen Sze (@abc7kristensze) November 28, 2016

#breaking #UA837 landing gear is down and coming in for landing at #SFO after 1 engine failed. pic.twitter.com/Zwrk6s7d48 — Kristen Sze (@abc7kristensze) November 28, 2016

#BREAKING #UA837 #SFO to Tokyo shut down 1 engine w/compressor stall after takeoff. About 2 make emergency landing. pic.twitter.com/0sEB09TmJ0 — Kristen Sze (@abc7kristensze) November 28, 2016

SAN FRANCISCO (KGO) -- A United Airlines plane landed safely at San Francisco International Airport today after experiencing an engine problem.Officials said United Airlines Flight 837 was heading to Tokyo before one of its four engines failed.There were 222 passengers on board and 15 crew members.Officials said one of four engines had been shut down before the plane landed safely at San Francisco International Airport.