Created Friday, Oct 29th 2021 23:32Z, last updated Friday, Oct 29th 2021 23:32Z
A Southwest Airlines Boeing 737-800, registration N8657B performing flight
WN-1812 from Phoenix,AZ to Dallas Love,TX (USA) with 183 people on board, was climbing out of Phoenix's runway 07L when departure queried the crew to squawk their altitude, the crew replied they had some electrical fault which may be why their altitude was not showing. The crew requested to continue the departure and was cleared to 8000 feet, later FL210 but requested to maintain 8000 feet. The crew subsequently requested to return to Phoenix advising they had only 25 minutes of battery life remaining and declared emergency. The aircraft positioned for a visual return to runway 08 and landed safely about 16 minutes after departure.
A replacement Boeing 737-800 registration N8548P reached Dallas with a delay of about 3 hours.
The occurrence aircraft returned to service about 5 hours after landing.
