https://avherald.com/h?article=5152690d&opt=0An American Airlines Airbus A320-200, registration N119US performing flight AA-1625 from Portland,OR to Phoenix,AZ (USA) with 156 people on board, was climbing out of Portland's runway 10R when the crew stopped the climb at 5000 feet reporting the #1 thrust reverser was indicated unlocked, they had shut the engine (CFM56) down. The aircraft returned to Portland for a safe landing on runway 10R about 30 minutes after departure, vacated the runway and stopped for a check of engine and brakes before continuing to the apron.
The flight was cancelled.
The aircraft is still on the ground in Portland 3 days later.