United Airlines' 777-222, N773UA (c/n 26929, l/n 4, f/n 2473), suffered an in-flight unconfined engine failure on its number 2 engine, as the the forward cowling came off as it approached HNL from SFO as UAL1175. The incident happened as the 777 began its descent. It landed on Runway 8R, with ARFF crew standing by; thankfully without any injuries. The aircraft taxied to the gate, then was towed to the United hangar.
Further details and photos in this Airways Magazine article.