Incident
A flight departed Wewak Airport at 1000 hours local time, bound for Madang. During the en route phase, a warning light illuminated on the cockpit panel, indicating unspecified technical problems.
Diversion
The crew encountered difficulties while testing the lift dumper and wheel brake antiskid systems. In response, the pilot made the decision to divert to Lae-Nadzab, which offered a longer runway and fire fighting capabilities.
Landing and Collapse
Upon touchdown, the left main landing gear collapsed. The crew lost directional control of the aircraft, which veered to the left off the runway and came to rest in a ditch.
Evacuation and Damage
All 49 occupants on board evacuated the aircraft safely. The aircraft sustained damage beyond repair.