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AD/AC-SNOW/26 - Vertical and Horizontal Stabilisers
Ayres Thrush (Snow) Commander Series AerAyres Thrush (Snow) Commander Series Aeroplanes
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Ayres Thrush (Snow) Commander Series Aeroplanes
| AD/AC-SNOW/26 | Vertical and Horizontal Stabilisers | 3/2008 DM |
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| Applicability: | Model S2R, S2R-R1340, S2R-R1820, S2R-T11, S2R-T15, S2R-T34, S2RHG-T34, S2R-T45, S2R-T65, S2RHG-T65, S2R-G1, S2R-G5, S2R-G6, S2R-G10, andS2R-T660 aircraft, with serial numbers as listed in the Applicability section of FAA AD 2007-26-01; equipped with metal empennage part numbers 40220 or 95400 (applies to serial numbers with or without a “DC” suffix). |
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| Requirement: | 1. Perform a visual inspection of the vertical stabiliser attach fitting part number 40301-7, the horizontal stabiliser attach fitting, part number 40303-1/-4/-7 or 95267-1, attachment bolt, part number NAS1105-68, and the vertical fin aft spar part number 40261-24 or 95253-1, for corrosion and cracking, in accordance with Thrush Aircraft Inc. Service Bulletin No. SB-AG-45 Revision B, dated 1 June 2007, or later FAA approved revision.2. If corrosion or cracks are found in the vertical stabiliser attach fitting part number 40301-7, the horizontal stabiliser attach fitting, part number 40303-1/-4/-7 or 95267-1, attachment bolt, part number NAS1105-68, or the vertical fin aft spar part number 40261-24 or 95253-1, during any Requirement 1 inspection; accomplish the following in accordance with Thrush Aircraft Inc. Service Bulletin No. SB-AG-45 Revision B, dated 1 June 2007, or later FAA approved revision:a. Replace the vertical stabiliser attach fitting with new part number 95266-3 fitting; the horizontal stabiliser attach fitting with new part number 95267-5 fitting; and the attachment bolt with NAS6207-68; and,b. If corrosion or cracks are found in the part number 40261-24 or 95253-1 vertical fin aft spar, repair in accordance with Thrush SB-AG-45 Revision B, or replace with new part number 40261-24 or 95253-1 vertical fin aft spar.3. If no corrosion or cracks are found in the vertical stabiliser attach fitting part number 40301-7, the horizontal stabiliser attach fitting, part number40303-1/-4/-7 or 95267-1, attachment bolt, part number NAS1105-68, or the vertical fin aft spar part number 40261-24 or 95253-1 during any Requirement 1 inspection; accomplish the following in accordance with Thrush Aircraft Inc. Service Bulletin No. SB-AG-45 Revision B, dated 1 June 2007, or later FAA approved revision: |
| a. Replace the vertical stabiliser attach fitting with new part number 95266-3 fitting; the horizontal stabiliser attach fitting with new part number 95267-5 fitting; and the attachment bolt with NAS6207-68; and,b. Perform a visual inspection of the vertical fin aft spar part number 40261-24 or 95253-1 for corrosion and cracking; and,c. If corrosion or cracks are found in the part number 40261-24 or 95253-1 vertical fin aft spar, repair in accordance with Thrush SB-AG-45 Revision B, or replace with a new part number 40261-24 or 95253-1 vertical fin aft spar.Special flight permits authorised to allow aircraft to be ferried to a maintenance facility for inspection shall be limited by the following conditions:a. Hopper must be empty;b. Vne reduced to 126 m.p.h. (109 knots); and,c. No flight into known turbulence.Note: FAA AD 2007-26-01 Amdt 39-15303 refers. |
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