(Updates with strike action)

Sept 12 (Reuters) - Boeing's ( BA ) U.S. West Coast

factory workers will walk off the job after 96% voted on

Thursday in favor of a strike, halting production of the

planemaker's strongest-selling jet as it wrestles with chronic

output delays and mounting debt.

Here is a timeline of issues surrounding Boeing ( BA ):

OCTOBER 2018:

A Lion Air MAX plane crashes in Indonesia, killing all 189

people on board.

NOVEMBER 2018:

The FAA and Boeing ( BA ) say they are evaluating the need for

software or design changes to 737 MAX jets following the Lion

Air crash.

MARCH 2019:

An Ethiopian Airlines MAX crashes, killing all 157 people on

board. China's aviation regulator becomes the first in the world

to ground the MAX, followed by others including the U.S. Federal

Aviation Administration.

APRIL 2019:

The FAA forms an international team to review the safety of

the 737 MAX. Boeing ( BA ) cuts monthly production by nearly 20%.

JULY 2019:

Boeing ( BA ) posts its largest-ever quarterly loss.

OCTOBER 2019:

Boeing ( BA ) fires Kevin McAllister, the top executive of its

commercial airplanes division.

DECEMBER 2019:

The company fires CEO Dennis Muilenburg in the wake of the

twin crashes.

JANUARY 2020:

Boeing ( BA ) suspends 737 production, its biggest assembly-line

halt in more than 20 years.

MAY 2020:

Boeing ( BA ) resumes 737 MAX production at a "low rate."

SEPTEMBER 2020:

An 18-month investigation by a U.S. House of Representatives

panel finds Boeing ( BA ) failed in its design and development of the

MAX as well as its transparency with the FAA, and that the FAA

failed in oversight and certification.

NOVEMBER 2020:

The U.S. FAA lifts the grounding order, allowing the 737 MAX

to fly again.

JANUARY 2021:

The European Union Aviation Safety Agency approves the MAX's

return to service in Europe.

APRIL 2021:

Boeing ( BA ) halts 737 MAX deliveries after electrical problems

re-ground part of the fleet.

NOVEMBER 2021:

Current and former Boeing company directors reach a $237.5

million settlement with shareholders to settle lawsuits over

safety oversight of the 737 MAX.

APRIL 2023:

Boeing ( BA ) pauses deliveries of some 737 MAXs to deal with a new

supplier quality problem involving non-compliant fittings.

AUGUST 2023:

Boeing ( BA ) identifies a new 737 MAX supplier quality problem

involving improperly drilled holes on the aft pressure bulkhead.

JANUARY 2024:

A mid-air cabin blowout compels Alaska Airlines to perform

an emergency landing of its recently acquired 737 MAX 9

aircraft, prompting the FAA to ground 171 of these jets and

initiate an investigation. The FAA also bars Boeing ( BA ) from

increasing MAX output, but lifts the grounding of MAX 9s once

inspections were completed.

FEBRUARY 2024:

The U.S. National Transportation Safety Board (NTSB)

publishes its preliminary report on the Alaska Airlines

incident, finding the door panel that flew off the jet

mid-flight appeared to be missing four key bolts.

MARCH 2024:

The FAA's 737 MAX production audit finds multiple instances

where Boeing ( BA ) and Spirit AeroSystems ( SPR ) allegedly failed to

comply with manufacturing quality control requirements. This

comes days after Boeing ( BA ) said it was in preliminary talks to buy

Spirit.

The ongoing crisis may mean Boeing ( BA ) will need more time to

hit key financial targets for coming years, its CFO warns.

The U.S. planemaker says CEO Dave Calhoun will step down and

announces that Stan Deal, Boeing Commercial Airplanes president

and CEO, will be succeeded by Stephanie Pope.

MAY 2024

The U.S. Department of Justice says Boeing ( BA ) breached its

obligations in a 2021 agreement that shielded it from criminal

prosecution over 737 MAX crashes in 2018 and 2019.

JULY 2024:

Boeing ( BA ) acquires Spirit AeroSystems ( SPR ) back in an all-stock deal

for $4.7 billion in equity value.

Boeing ( BA ) agrees to plead guilty to a criminal fraud conspiracy

charge and pay a fine of $243.6 million to resolve the U.S.

Justice Department investigation into the two 737 MAX fatal

crashes in 2018 and 2019.

Boeing ( BA ) names former Rockwell Collins executive Kelly Ortberg

as its new president and CEO starting in August after a

months-long search.

SEPTEMBER 2024:

Boeing's ( BA ) Starliner spacecraft lands uncrewed in a New Mexico

desert after technical issues left two astronauts it ferried to

the International Space Station marooned there until February

2025, when a SpaceX vehicle is expected to return them to Earth.

Boeing ( BA ) said it had reached a tentative agreement with a

union representing more than 32,000 workers in the U.S. Pacific

Northwest, but the contract was later rejected in a vote and the

workers said they would go on strike.