Sun Country Airlines Flight Suffers Pressurization Issue in Newark

A Sun Country Airlines flight operating to Minneapolis, MN made a precautionary return to Newark, NJ shortly after departure on 21 April 2024.

Sun Country Airlines flight SY234 had departed Newark Liberty International Airport (EWR) and was on the climb when it reportedly experienced pressurization issues.

Sun Country SY234 Newark-Minneapolis

Flight crew subsequently terminated the climb and initiated a return to Newark EWR. The flight had continued climb to FL110, before terminating the procedure and commencing a descent below 10,000 feet.

The aircraft then continued to descend before making a return approach to Newark EWR.

Flight data shows that Sun Country Airlines flight SY234 made a delayed departure out of Newark for Minneapolis–Saint Paul International Airport (MSP).

The flight showed an actual time of departure of 1141 local time. The scheduled departure time for the service was listed as 1035 local time.

The climb procedure was subsequently terminated at 11,500 feet at 1620 UTC. Flight crew did not declare a formal emergency, and the return was conducted under normal flight procedures.

Boeing 737-800 N845SY

The aircraft conducting the SY234 rotation to Minneapolis on 21 April was a Boeing 737-800, registered N845SY.

This is a 13-year old narrowbody aircraft belonging to the carrier Sun Country Airlines. The aircraft has been an operational service with the airline since March 2022.

Siyuan He, Public domain, via Wikimedia Commons

Prior to seeing service with the US carrier, the airframe has been operated by airlines including British Airways, Pegasus and Comair. Its original delivery was made to Turkish carrier Pegasus in May 2011.

Sun Country Airlines is an ultra-low-cost carrier in the United States, based in Minneapolis, Minnesota.

It operates to about 172 destinations in the United States, Canada, Mexico, Central America and the Caribbean. The airline was founded in 1982 and started operations in 1983.