SAN FRANCISCO — A United Airways jetliner headed to Mexico Metropolis from San Francisco made an emergency touchdown in Los Angeles on Friday after the crew reported a hydraulics subject, within the fourth emergency involving a United Airways flight this week.The airplane landed safely at Los Angeles Worldwide Airport round 4:30 p.m. and not one of the 110 folks on board had been injured, United Airways stated in a press release.Hearth engines stood by on the airport however weren’t wanted, stated Nicholas Prange, a spokesperson with the Los Angeles Metropolis Hearth Division.The airline stated passengers can journey to Mexico on one other airplane anticipated to depart later Friday.United stated the Airbus A320 has three hydraulic programs for redundancy functions.“Preliminary info exhibits there was solely a difficulty with one system on this plane,” it stated.The Federal Aviation Administration stated in a press release it is going to examine the emergency touchdown Friday.The emergency touchdown at LAX on Friday comes hours after passengers needed to be evacuated from one other United Airways flight after the airplane rolled off a runway and obtained caught within the grass in Houston, Texas. No accidents had been reported among the many 160 passengers and 6 crew members, United Airways stated in a press release.Video posted on social media taken after the touchdown in Houston confirmed the airplane tilted to 1 facet with considered one of its wings close to the bottom.On Thursday, one other United Airways flight made an emergency touchdown in Los Angeles. It was a jetliner certain for Japan that misplaced a tire whereas taking off from San Francisco. No accidents had been reported.Video footage confirmed the airplane dropping one of many six tires on its left-side primary touchdown gear meeting solely seconds after takeoff. The tire landed in an worker parking zone at San Francisco Worldwide Airport, the place it smashed right into a automobile and shattered the again window earlier than breaking by a fence and coming to cease in a neighboring lot.Earlier within the week, a United flight from Houston to Fort Myers, Texas, was pressured to show round Monday after one of many airplane’s engines caught fireplace. A number of of the 167 passengers aboard the Boeing 737 took movies exhibiting a line of flames taking pictures out of the engine. No accidents had been reported.