Document ID: chunk:federal_register_of_legislation:F2006B02816:reg:237
Version: federal_register_of_legislation:F2006B02816
Segment Type: reg
Provision Reference: reg 237
Character Range: 877–2050

237               65-46454-24

             b. If any aileron is found with an affected serial number and correlating part number identified in Requirement paragraph (a), remove the defective aileron, and replace it with a new or serviceable aileron.

            Note: FAA AD 98-03-09 Amdt 39-10301 refers.

 Compliance: Unless already accomplished, before 21 July 1998.

            This amendment becomes effective on 21 May 1998.

            Background: The FAA received two reports of failure of the aileron on Boeing Model 737 series aircraft. In one incident, a two-foot section of an aileron separated from the aircraft during descent, which resulted in vibration of the flight controls. In the second incident, 30 percent of an aileron separated from the aircraft during climb.
            Investigation revealed that the cause of these failures has been attributed to an inappropriate repair procedure.

            Amendment 1 is issued in response to a new FAA AD which gives additional information that specifies the identification of certain part numbers.

            The original issue of this Airworthiness Directive became effective on 26 February 1998.