I understand it fell victim to the dreaded Canterbury Nor'west wind. From memory, a servicing platform got blown about and punctured a fuel tank. It was reported in the local papers at the time but there was very little fuss made about the incident at the time.
There were several Concorde visits to Christchurch, all very popular to the locals (including myself). However, Concorde suffered at least two incidents that could be attributed to the Nor'west wind at Christchurch. The other one that gained more publicity was when it lost part of its rudder flying across the Tasman sea. There was some evidence that when parked overnight at Christchurch airport, the wind came up and started slamming the unlocked rudder about...