this is From the ADF Serials forum (requires login to access)
"Whilst conducting Touch and goes at an a bush strip (suspect Lake Cargelligo) warning occurred on nose wheel, Pan was called. Upon return to YSRI, more warnings arose, a Mayday was called, flight directed to YWLM (Better fire facilities)
RAAF Fire Crews at YWLM when testing their equipment found system faults in the foam spraying devices, the flight was redirected to YSRI.
Landing made, immediate shut-down and crew abandoned. Left on Rwy.
From my sources, a major strut in the nose wheel had completely snapped.
This comes from the a WGCDR, who runs ALG Systems Programs Office (Herc Maintenance)