What was found
(AUS) LH MLG RETRACTION ACTUATOR 'O' RING PACKING PNO NAS1611-33 ON PISTON PNO 65-44912-1 WAS FOUND SEPARATED AND FRACTURED IN A NUMBER OF AREAS AND THE INNER FACE WAS BADLY DAMAGED - FURTHER INVESTIGATION FOUND THAT THE SEAL INSTALLATION WAS INCORRECT - THE DAMAGED PACKING HAD INCORRECT BACKUP RINGS - THESE RINGS WOULD NORMALLY ONLY BE USED WHEN USING G.T. SEAL PNO 7336M59521 -UNAPPROVED PART - PERSONNEL/MAINTENANCE ERROR.