Roundup: four independent aviation incidents reported in Houston, en route and Birmingham

This briefing covers four separate aviation incidents, with no stated relationship among them. The incidents are dated October 25 and 26, 2026.

A Mesa E175 had brake and steering problems in Houston on October 26, 2026.

A United Boeing 737 MAX 9 (ICAO type code B39M) was reported with unsafe gear in Houston on October 25, 2026.

A Hong Kong A21N, an Airbus A321neo (ICAO type code A21N), was reported with a power bank thermal runaway en route on October 25, 2026.

A Jet2 Boeing 737-800 (ICAO type code B738) had a temporary runway excursion at Birmingham on October 25, 2026.