As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) WRONG PISTON INSTALLED INTO BRAKE ASSY, PISTON PN 092-02100 FOR BRAKE ASSY 30-67B, WAS INSTALLED IN BRAKE ASSY 30-67C BRAKE ASSY 30-67C REQUIRES NO FRICTION SPRING AND SHOULD HAVE PISTON PN 092-01600 INSTALLED. REF IPC AWBPC0001-7 PAGE 4-50, 4-51. (TC 20100223004)