Document ID: chunk:federal_register_of_legislation:F2006L01338:body:0:p3
Version: federal_register_of_legislation:F2006L01338
Segment Type: other
Provision Reference: 
Character Range: 5155–8072

cracking is detected, but in no case more than 1,000 hours time in service from above mentioned temporary repair, repair the aircraft in accordance with Requirement 6.

      5. An aircraft with wing skin cracks less than 2-inches in length, including stop drill holes, unless repaired in accordance with Requirement 6, may be permanently repaired by installing internal reinforcement plates inboard and outboard of Station 8 in accordance with Convair Service Engineering Report No. 6820-340-47B/440-47B.

      6. Aircraft with wing skin cracks greater than 6-inches in length must be repaired in accordance with Convair Service Engineering Report No. 6820-340-47B/440-47B.

                7. The requirements of this Directive do not apply to aircraft repaired in accordance with Requirement 5 or 6 before the effective date of this Directive or if, before any wing skin cracking in the area described in Requirements 1, 2, or 3, the aircraft has been modified between stringers 6 and 10, in accordance with Convair Service Engineering Report No. 15-4-340-18/440-22 dated 9 May 1958.  Also, the repetitive inspections required by Requirements 1, 2, 3, and 4 may be discontinued, and the operating limitations and placard specified in Requirements 4.b. and 4.c. may be removed from the aircraft when it is repaired in the manner specified in Requirement 5 or 6; and if, before any wing skin cracking in the area described in Requirements 1, 2, or 3, the aircraft has been modified between stringers 6 and 10, in accordance with Convair Service Engineering Report No. 15-4-340-18/440-22.

             Note:  FAA AD 63-10-03 Amdt 562 Part 507 refers.
Compliance:     1. Before the accumulation of 15,100 hours time in service, and thereafter at intervals not to exceed 1,000 hours time in service, until the accumulation of 20,000 hours time in service.  After the accumulation of 20,000 hours time in service, and before the accumulation of 20,500 hours time in service, accomplish Requirement 1 at intervals not to exceed 500 hours time in service.

                2. Unless the initial inspection is already accomplished; within 100 hours time in service after 8 June 2006, unless accomplished within the last 900 hours time in service, and thereafter at intervals not to exceed 1,000 hours time in service.  After the accumulation of 20,000 hours time in service, and before the accumulation of 20,500 hours time in service, accomplish Requirement 2 at intervals not to exceed 500 hours time in service.

                3. Unless the initial inspection is already accomplished; within 100 hours time in service after 8 June 2006, unless accomplished within the last 400 hours time in service, and thereafter at intervals not to exceed 500 hours time in service.

                4.a. At intervals not to exceed 100 hours time in service.

                4.b. At intervals not to exceed 100 hours time