An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.

Maintenance on an air conditioning unit inside Terminal 4 at Phoenix Sky Harbor International Airport on Wednesday morning resulted in long wait times at security checkpoints for travelers.

An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.

Sky Harbor airport employees say working conditions this summer are hurting their health. Workers report lack of personal water bottles, non-functional AC in trucks, and no access to shade.

An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.

Passengers at Terminal 4 of Phoenix Sky Harbor International Airport had a hot morning after the air conditioning was turned off for scheduled maintenance.

An air conditioning unit in Terminal 4 of the Phoenix Sky Harbor Airport was deactivated for routine maintenance and stayed off longer than expected.