United flight #UA381 from Washington to Austin is declaring an emergency.
Flight UA381 departed Washington IAD at 08:33 EDT and declared an emergency inbound Austin, Texas.
The Boeing 737-900ER (registration N39463) performed a go around on runway 36R at Austin.
The pilot squawked 7700 (general emergency) due issue with the flaps. The aircraft circled at 3,000 ft for a while for check list before attempting a second landing.
UPDATE 12:05 CDT
The flight is given priority landing on runway 36L.
UPDATE 12:08 CDT
The Boeing 737-900ER safely landed and vacated the runway.
UPDATE 12:09 CDT
Emergency vehicles are checking the brakes.