NTSB Factual Report

On February 13, 2018, about 12:00 PM HST, United Airlines flight 1175, a Boeing 777, N773UA, experienced an in-flight separation of a fan blade and subsequent loss of the inlet and fan cowls of the right engine, a Pratt & Whitney PW4077 during descent into Daniel K. Inoyue International Airport (KHNL), Honolulu, Hawaii. Shortly after initial descent, passing through about flight level 327, the flight crew received warnings of an engine compressor stall, and shut down the engine. The crew declared an emergency and proceeded to KHNL without further incident. There were no injuries to the 363 passengers and 10 crew members and the airplane received minor damage. The airplane was operating under 14 CFR Part 121 as a regularly scheduled passenger flight and had originated from San Francisco International Airport (KSFO), San Francisco, California.