AD/LA-4/26 Amdt 1 - Wing Upper and Lower Spar Doublers
1AD/LA-4/26 Amdt 1 - Wing Upper and Lower Spar Doublers
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AIRWORTHINESS DIRECTIVE
For the reasons set out in the background section, the CASA delegate whose signature appears below revokes Airworthiness Directive (AD) AD/LA -4/26 and issues the following AD under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.
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Consolidated Aeronautics, Colonial and LA-4 Series Aeroplanes
AD/LA-4/26
Amdt 1
Wing Upper and Lower Spar Doublers 7/2002
Applicability: Affected aircraft with wing spar part numbers incorporated as specified below:
| Model | Serial Numbers |
|---|---|
| Lake LA-4 | 246 through 421, 423 through 429, 445, and 446 |
| Lake LA-4A | 244 and 245 |
| Lake LA-4P | 121 |
| Lake LA-4-200 | 422, 430 through 444, 446, and all subsequent serial numbers. |
| Lake Model 250 | 1 through 232 |
| Wing Spar Parts | Part Numbers |
|---|---|
| Upper Spar Cap Angles | 2-1610-015 and 2-1610-016 |
| Lower Spar Cap Angles | 2-1610-075 and 2-1610-076 |
| Upper Spar Doublers | 2-1610-061 and 2-1610-081 and 2-1610-065 |
| Lower Spar Doublers | 2-1610-063 and 2-1610-083 |
Requirement: 1. Inspect the left and right wing upper and lower spar doublers for cracks in accordance with the Inspection section of Revo Incorporated Service Bulletin B- 79 R1, Revised 5 January 2000.
Consolidated Aeronautics, Colonial and LA-4 Series Aeroplanes
AD/LA-4/26 Amdt 1 (continued)