Document ID: chunk:federal_register_of_legislation:F2006B09618:body:0:p2
Version: federal_register_of_legislation:F2006B09618
Segment Type: other
Provision Reference: 
Character Range: 2955–4062

2 has been accomplished, introduce the Requirement 1 repetitive inspections within one calendar month after 22 April 1999, and thereafter at intervals not to exceed three calendar months until the requirements specified in the compliance note below are met.

           Note: After the replacement of main wheel brake units in accordance with ABS Corporation SB Fo100-32-57, Revision 1 dated 2 February 1994; and rework of the sliding member in accordance with paragraph 2.C PART C of Dowty Aerospace SB F100-32-64, Revision 1, the Requirement 1 repetitive inspections are no longer required.

           This Airworthiness Directive becomes effective on 22 April 1999.

           Background: An F.28 Mk.0100 operator reported the occurrence of an incident where, during push- back of the aircraft, a MLG wheel axle failed. Subsequent investigation revealed the presence of corrosion on most wheel axles in service with this operator. Preliminary results indicate that the crack which led to the failed axle had initiated from a corrosion pit located on the radius of the brake abutment flange on the axle.