Originally Posted by
wrp96
Sounds like it was the airbags in the seatbelts in the bulkhead row that deployed.
Yes, row 1 and 6 have seat belt air bags. Maintenance and crew seemed surprised that all three “fired” simultaneously, and I think that is why they made us change to another aircraft, to not take the risk that the other side or row 1 might deploy spontaneously inflight.