Mesa Airlines flight AA-5906, flying on behalf of American Airlines, had to return and make an emergency landing at Phoenix Sky Harbor International Airport, Arizona, on August 24th.
The Canadair CRJ-900 flying to Burbank, California, had to return due to problems with cabin pressurisation.
The plane landed safely.
No one was injured.

An American Airlines flight made an emergency landing at St. John’s International Airport in Newfoundland, Canada, on January 24.
Qantas flight QF-566 had to return and make an emergency landing in Perth, Australia, on February 27th.
Emirates flight EK-238 had to divert and make an emergency landing in Athens, Greece, on June 10th.