Narrative:

The first officer's approach into syd was stable. The air was unstable with some crosswind from the right. We landed with some crab. The landing was firm, but it was not a hard landing--we just rumbled on. The rollout felt normal, but the tower told us we had left something on the runway behind us. As we were making a right turn onto a taxiway a cabin attendant called us on interphone telling us of damage on the right wing. We stopped on the taxiway and a jump seat riding second officer went down to see what had happened. He reported that the right wing gear had failed, but no fuel spill. We asked ground control to send fire trucks to make an inspection. We shut down the engines on the right side. When the fire trucks arrived we shut down the other 2 engines. The inspection confirmed our earlier observations and we were subsequently towed to the ramp. Callback conversation with reporter revealed the following: the right wing gear truncheon had broken and allowed the gear to fall back, loosening some fiberglass wing panels. The gear would not support any weight and after leveling the aircraft by depressurizing the left wing gear they were able to tow the aircraft to the gate. Post flight inspection revealed an old crack in the structure and the presence of corrosion. Their is a maintenance directive to replace the gear structure and it has been accomplished on all except 3 of the company aircraft, this being 1 of the 3. Local caa investigated & determined that g-loads on this landing were not high enough to cause the damage if the gear had been at full strength.

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Original NASA ASRS Text

Title: ACR WDB WING GEAR DAMAGE ON LNDG AT SYD.

Narrative: THE F/O'S APCH INTO SYD WAS STABLE. THE AIR WAS UNSTABLE WITH SOME XWIND FROM THE RIGHT. WE LANDED WITH SOME CRAB. THE LNDG WAS FIRM, BUT IT WAS NOT A HARD LNDG--WE JUST RUMBLED ON. THE ROLLOUT FELT NORMAL, BUT THE TWR TOLD US WE HAD LEFT SOMETHING ON THE RWY BEHIND US. AS WE WERE MAKING A RIGHT TURN ONTO A TXWY A CABIN ATTENDANT CALLED US ON INTERPHONE TELLING US OF DAMAGE ON THE RIGHT WING. WE STOPPED ON THE TXWY AND A JUMP SEAT RIDING S/O WENT DOWN TO SEE WHAT HAD HAPPENED. HE RPTED THAT THE RIGHT WING GEAR HAD FAILED, BUT NO FUEL SPILL. WE ASKED GND CTL TO SEND FIRE TRUCKS TO MAKE AN INSPECTION. WE SHUT DOWN THE ENGS ON THE RIGHT SIDE. WHEN THE FIRE TRUCKS ARRIVED WE SHUT DOWN THE OTHER 2 ENGS. THE INSPECTION CONFIRMED OUR EARLIER OBSERVATIONS AND WE WERE SUBSEQUENTLY TOWED TO THE RAMP. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING: THE RIGHT WING GEAR TRUNCHEON HAD BROKEN AND ALLOWED THE GEAR TO FALL BACK, LOOSENING SOME FIBERGLASS WING PANELS. THE GEAR WOULD NOT SUPPORT ANY WT AND AFTER LEVELING THE ACFT BY DEPRESSURIZING THE LEFT WING GEAR THEY WERE ABLE TO TOW THE ACFT TO THE GATE. POST FLT INSPECTION REVEALED AN OLD CRACK IN THE STRUCTURE AND THE PRESENCE OF CORROSION. THEIR IS A MAINT DIRECTIVE TO REPLACE THE GEAR STRUCTURE AND IT HAS BEEN ACCOMPLISHED ON ALL EXCEPT 3 OF THE COMPANY ACFT, THIS BEING 1 OF THE 3. LCL CAA INVESTIGATED & DETERMINED THAT G-LOADS ON THIS LNDG WERE NOT HIGH ENOUGH TO CAUSE THE DAMAGE IF THE GEAR HAD BEEN AT FULL STRENGTH.

Data retrieved from NASA's ASRS site as of August 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.