2024-03 · NASA ASRS report 2102159
B737-700 flight crew reported that a flight attendant advised of smoke coming from a PSU (Passenger Service Unit) light during climb. Crew returned to departure airport and made an overweight landing.
Right after completion of the Climb Checklist; the F/A (Flight Attendant) called; reporting smoke was coming from a Passenger Service Unit light. FO was PF and decided to level off and slow down. He communicated to ATC that we were level and possibly returning to ZZZ airport. ATC queried if I was [requesting priority handling]; which I replied affirmatively; due to smoke in cabin. ATC provided delay vectors while I coordinated with Dispatch and ZZZ Ops for a return gate. FO was setting up for a visual approach backed up by the ILS to Runway XX. When the I came back to radio COMMs; I requested ARFF (Airport Rescue and Firefighting) on the runway to check our brake temps; due to an overweight landing. We landed on Runway XX with Flaps 30 and max reverse thrust. I took control at 60 knots; stopped on the runway; as ARFF trucks approached the aircraft from all sides. Fire command advised the brakes looked hot on thermal imaging but weren't glowing. After running the brake cooling Performance Data module; we weren't required to comply with any cooling. ARFF followed us all the way to our gate. Deplaning went normally and after two aircraft swaps we completed the flight to ZZZ1 airport.
[Report narrative contained no additional information.]
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Source: NASA Aviation Safety Reporting System (public domain). Reports are voluntary submissions and are not verified by NASA.
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