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AD/AT/29 Amdt 1 - Engine Mount
Airtractor AT-300, 400 and 500 Series AeAirtractor AT-300, 400 and 500 Series Aeroplanes
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Airtractor AT-300, 400 and 500 Series Aeroplanes
| AD/AT/29 Amdt 1 | Engine Mount | 8/2009 |
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| Applicability: | Model AT-400, AT-400A, AT-402, AT402A, and AT-402B aircraft, serial numbers 0001 through 1175.Model AT-502, AT-502A, AT-502B, and AT-503A aircraft, serial numbers 0001 through 2597. |
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| Requirement: | A. Model AT-400, AT-400A, AT-402, AT-402A, AT-402B, AT-502, AT-502B, and AT-503A aircraft.1. For engine mounts without gussets installed, inspect the engine mount in accordance with Snow Engineering Co. SL No. 253 Revision C, dated17 April 2008:a. For aircraft with less than 5,000 hours time in service; at the initial and repetitive times specified in the Compliance section.b. For aircraft with 5,000 hours time in service or more; at the initial and repetitive times specified in the Compliance section.2. For engine mounts with gussets installed, inspect the engine mount in accordance with Snow Engineering Co. SL No. 253 Revision C, dated17 April 2008:a. For aircraft with less than 5,000 hours time in service; at the initial and repetitive times specified in the Compliance section.b. For aircraft with 5,000 hours time in service or more; at the initial and repetitive times specified in the Compliance section.B. Model 502A aircraft.1. For engine mounts without gussets installed, inspect the engine mount in accordance with Snow Engineering Co. SL No. 253 Revision C, dated17 April 2008:a. For aircraft with less than 5,000 hours time in service; at the initial and repetitive times specified in the Compliance section. |
| b. For aircraft with 5,000 hours time in service or more; at the initial and repetitive times specified in the Compliance section.2. For engine mounts with gussets installed, inspect the engine mount in accordance with Snow Engineering Co. SL No. 253 Revision C, dated17 April 2008:a. For aircraft with less than 5,000 hours time in service; at the initial and repetitive times specified in the Compliance section.b. For aircraft with 5,000 hours time in service or more; at the initial and repetitive times specified in the Compliance section.If crack damage is detected during any inspection, replace with a new engine mount or repair the engine mount. If choosing repair, contact Air Tractor, Inc. for repair instructions.Note: FAA AD 2009-11-05 Amdt 39-15915. | |
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| Compliance: |