via De Barn wrote:


if AV 389 started roaring mid-journey then it was overheating. The 04s are notoriously bad for it
It wasn't even mid journey. It was just 5 minutes after it left the Palmerston terminus. Not overheating at all, must be a problem with the cooling fans. The 04s were very prone to overheating in their DMD days. But ever since they got LED's they calmed down big time.