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AD/B737/258 - Forward Engine Mount Support Fitting
Boeing 737 Series AeroplanesBoeing 737 Series Aeroplanes
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Boeing 737 Series Aeroplanes
| AD/B737/258 | Forward Engine Mount Support Fitting | 13/2005 |
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| Applicability: | Model 737-100, -200, and -200C series aircraft, line numbers 1 through 1585. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 98-14-09Amdt 39-10642.Note: Boeing Service Bulletins 737-54A1012 Revision 4, 737-54-1007 Revision 1, 737-54-1009 Revision 1, or later FAA approved revisions, refer. |
| Compliance: | As specified in the Requirement document, with a revised effective date of22 December 2005. |
| This Airworthiness Directive becomes effective on 22 December 2005. | |
| Background: | The FAA received reports of fatigue cracks on the lower flange of the forward engine mount support fitting, broken bolts and bolts with loose or detached nuts on the upper inboard attachment of the support fitting, and cracked or severed lugs at the outboard support link attachment of the support fitting. Undetected fatigue cracking and other discrepancies of the support fitting and its attachments could result in an in-flight separation of an engine. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
10 November 2005