In total, 20 buses were checked across the two Linq depots at Wyong and East Gresford in New South Wales.
Police issued seven defects notices and two infringement notices to the company.
Among the issues noted were oil leaks, a cracked windscreen, and faulty seatbelts.
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“The one major defect identified in the fleet has been rectified and the minor defects are being rectified in accordance with the timelines set by the National Heavy Vehicle Regulator,” a Linq spokesperson said in a statement.
The bus was carrying guests following the wedding of newly married couple Mitchell Gaffney and Maddy Edsell, who grew up in Melbourne and later moved to NSW.
Driver Brett Button was charged with 10 counts of dangerous driving occasioning death – drive manner dangerous and negligent driving occasioning death.
