Five of the eight Matangi trains that had faulty coupling devices have been fixed.
A Greater Wellington Regional Council spokeswoman said today that most of the dodgy roll pins found in its Matangi trains on Monday had been dealt with.
All 48 of Wellington's Matangi trains were pulled from service on Monday after a high-
tensile pin was found to be out of alignment on one carriage.
Most trains were declared safe and promptly put back on the tracks but eight remained out of action while a more detailed inspection was carried out.
Thousands of rail passengers have had to endure service disruptions this week while the trains have been out of commission.
Tranz Metro manager Scott Brookes said today that until all of the work was complete, service disruptions remained a possibility.
''Our aim is to operate to a normal timetable but there may be instances where some services have reduced seating or are bus replaced until the affected trains are back in service.''
Council rail asset manager Ian Gordon said that if the pin failed it would likely bend.
A worst-case scenario would see the pin break and the two carriages of the train separate, which could spell danger for any passengers near the coupling.
Wellington train technicians spotted the safety problem and informed the German manufacturer of the pins, Faiveley Trans
port, Mr Gordon said."Faiveley had never come across it before and therefore they don't know what caused it."
The council was considering seeking compensation from the Korean manufacturer of the Matangi trains, Hyundai Rotem, for repairs, labour and loss of service, he said.
- © Fairfax NZ News
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