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US pilots who fly the Boeing 737 Max have registered complaints about the way the jet has performed in flight, according to a federal database accessed by CNN.In one of the complaints, a captain reported an autopilot anomaly which led to a brief nose-down situation -- where the front of the aircraft pointed down, according to the federal database. In another complaint, a first officer reported that the aircraft pitched nose down after the autopilot was engaged during departure. The autopilot was then disconnected and flight continued to its destination, according to the database.Although the data doesn't identify the pilots or their airlines, two US carriers fly the 737 Max 8: American Airlines and Southwest.Extraordinary worldwide attention has been focused on the jet -- Boeing's biggest-selling airliner -- after Sunday's crash of a new Ethiopian Airlines 737 Max 8, minutes after takeoff from Addis Abba, which killed all 157 people on board. It was the second deadly crash of the same new plane type within five months. The crash of Lion Air Flight 610 shortly after takeoff last October killed all 189 people on board.It's very early in the investigation of the Ethiopian Airlines crash and information from the flight data recorder and cockpit voice recorder, which have been recovered from the crash site, has not yet been analyzed. Because of that, there is no direct evidence linking the two plane crashes.Nonetheless, much of the world's aviation regulators have grounded the 737 Max -- either the Max 8 or both the 8 and 9 version -- which is a longer model of the Max flown by US-based United Airlines. All three airlines say the plane is safe and have continued to fly it. The FAA has so far declined to ground the plane.Southwest Airlines' pilots union is standing by the airline's decision to continue to fly the Max. Southwest has 34 737 Max 8s -- the largest fleet in the US.Pilot: Flight manual is 'inadequate and almost criminally insufficient'Other pilot complaints from the federal database include a report saying it is "unconscionable" that Boeing, the US aviation regulatory agency (the Federal Aviation Administration) and the unnamed airline would have pilots flying without adequate training or sufficient documentation.The same entry also charges that the flight manual "is inadequate and almost criminally insufficient."The reports are further evidence that pilots in the US may have experienced something similar to what happened in the Lion Air incident.Investigators in the Lion Air crash suspect it may have been caused by an angle of attack (AOA) sensor on the outside of the plane which transmitted incorrect data that could have triggered automated flight software called the Maneuvering Characteristics Augmentation System (MCAS) that forced the plane's nose down.In November, after the Lion Air crash, Boeing issued an "Operations Manual Bulletin" advising airline operators how to address erroneous cockpit readings. It pointed airlines "to existing flight crew procedures to address circumstances where there is erroneous input from an AOA sensor," a Boeing statement said. The FAA later issued its own emergency airworthiness directive that advised pilots about how to respond to similar problems.CNN has reached out to the FAA and Boeing for comment, but has not heard back. 3339

US and Chinese negotiators have agreed in principle to the "phase one" trade deal, according to a person familiar with the talks.President Donald Trump's trade team was due to brief the President on the agreement during a mid-afternoon meeting at the White House. He will need to sign off on the plan before it's final.Trump had already announced the broad contours of the "phase one" deal in October, and the two sides have been haggling over specifics since then. The "phase one" deal does not address the major structural changes to China's economy that Trump has sought.The terms of the agreement include a delay in new tariffs on 647

When astronaut Scott Kelly was preparing to head to space for a year-long mission on the International Space Station in 2015, he immediately thought about his brother.“This was going to be unique for NASA,” Scott Kelly says in an interview from Space Center Houston. “The first U.S. crew member spending a year in space… maybe there was some value in taking advantage of the fact that…I had an identical twin brother.”His identical twin happens to be former astronaut Mark Kelly, who would be on earth during the same period of time. Scott saw potential to learn something.“I think as an astronaut we have an obligation to promote science, perform the science, to be engaged in science,” he says.The journal publication Science was very interested in the idea. All they needed now was a team of researchers for what would be known as the 850

VATICAN CITY — Pope Francis’ vicar for Rome has tested positive for the coronavirus in the first case of a cardinal close to the pope known to be infected.Cardinal Angelo De Donatis had been in touch with Francis in recent weeks — apparently not in person, however — over the cardinal’s initial decision to close all Rome churches in line with an Italian government shutdown decree.De Donatis reversed himself after Francis intervened, and allowed diocesan churches to remain open for individuals to pray.The pope is technically bishop of Rome, but he delegates the day-to-day running of the diocese to his vicar, De Donatis, 66. The Rome church said De Donatis was in good condition at Rome's Gemelli hospital and was receiving antiviral treatment.The Holy See has said six people have tested positive for the virus in the Vatican, none of them the pope or his closest advisers. 891

VALRICO, Florida — A man in Valrico is facing a manslaughter charge after deputies say he accidentally shot and killed a woman during an act of foreplay. Andrew Shinault, 23, shot the woman in her upper body with his registered hand gun around 12:30 p.m. on Sunday. Deputies say the two were engaging in an act of foreplay involving the gun. The woman, in her 20s, was taken to Brandon Regional Hospital where she later died. Shinault was charged with manslaughter with a weapon on Friday. He was booked into the Orient Road Jail on a ,000 bond. 561

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