What was found
(CAN) WHILE IN THE AIR, SEATBACK 17K BROKE AT HINGE CAUSING PAX WHO WAS SITTING IN SEAT TO HURT THEIR BACK. YYZ MTCE TO REPAIR DURING O/NIGHT.STUD PIVOT PIN REPLACED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) WHILE IN THE AIR, SEATBACK 17K BROKE AT HINGE CAUSING PAX WHO WAS SITTING IN SEAT TO HURT THEIR BACK. YYZ MTCE TO REPAIR DURING O/NIGHT.STUD PIVOT PIN REPLACED.