Airworthiness directives › 2013-19-13
AD 2013-19-13 Airworthiness Directives; The Boeing Company Airplanes
Models named: 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-300, 747-400, 747-400D, 747SP series. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to The Boeing Company Model 747-100, 747-100B, 747-100B SUD, 747-200B, 747-200C, 747-300, 747-400, 747-400D, and 747SP series airplanes; certificated in any category; as identified in Boeing Special Attention Service Bulletin 747-25-3428, Revision 4, dated February 25, 2013; except for Groups 3-4, Configuration 2, and Group 9, Configuration 2, airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 48 months after the effective date of this AD: Determine if the latches in the main deck escape slide/rafts and the escape slides installed on the airplane doors are correctly assembled, and do all applicable corrective actions, in accordance with the Accomplishment Instructions of Boeing Special Attention Service Bulletin 747-25-3428, Revision 4, dated February 25, 2013. Do all applicable corrective actions before further flight. Options provided in Boeing Special Attention Service Bulletin 747-25-3428, Revision 4, dated February 25, 2013, for determining the correct assembly of the latches are acceptable for the corresponding requirement of this paragraph. Note 1 to paragraph (g) of this AD: Boeing Special Attention Service Bulletin 747-25-3428, Revision 4, dated February 25, 2013, refers to Goodrich Service Bulletin 25-367, Revision 1, dated May 1, 2012, as an additional source of guidance for unpacking the escape slide/raft assemblies.
Unsafe condition
This AD was prompted by reports of worn or incorrectly assembled latches on main deck escape slides installed on airplane doors. We are issuing this AD to prevent a latch hook moving from closed to open in an escape slide/raft or escape slide, which could result in the escape slide/raft or escape slide not deploying correctly in an emergency, or releasing/inflating into the passenger cabin and causing injury to passengers and crew.
Affected ADs
None.
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1