Boeing 737 Series Aeroplanes
Boeing 737 Series Aeroplanes
Boeing 737 Series Aeroplanes
| AD/B737/324 | Forward and Aft Water Drain Masts | 6/2008 |
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| Applicability: | Model 737-600, -700, -700C, -800, and -900 series aircraft; as identified in Boeing Special Attention Service Bulletin 737-30-1056 Revision 1, or later FAA approved revision. |
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| Requirement: | Action in accordance with the technical requirements of FAA AD 2008-08-22 Amdt 39-15476. |
| Compliance: | As specified in the Requirement document, with a revised effective date of5 June 2008. |
| This Airworthiness Directive becomes effective on 5 June 2008. | |
| Background: | The FAA received a report of charred insulation blankets and burned wires around the forward grey water composite drain mast found during an inspection of the forward cargo compartment on a Model 767-300F aircraft. The actions required by this Directive are intended to prevent a fire near a composite drain mast and possible disruption of the electrical power system caused by a lightning strike on the composite drain mast. |
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David Villiers
Delegate of the Civil Aviation Safety Authority
23 April 2008