Airworthiness directives › 2012-06-25
AD 2012-06-25 Airworthiness Directives; Goodrich Evacuation Systems Approved Under Technical Standard Order (TSO) TSO-C69b and Installed on Airbus Airplanes
Models named: A330-201, -202, -203, -223, -243, -301, -302, -303, -321, -322. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to Goodrich evacuation systems approved under Technical Standard Order (TSO) TSO-C69b, as installed on the Airbus airplanes, certificated in any category, identified in paragraphs (c)(1), (c)(2), and (c)(3) of this AD. (1) Model A330-201, -202, -203, -223, -243, -301, -302, -303, -321, -322, -323, -341, -342, -343, -223F, and -243F airplanes, as identified in Goodrich Service Bulletin 7A1508/09/10/39-25-373, Revision 3, dated March 30, 2011. (2) Model A340-211, -212, -213, -311, -312, and -313 airplanes, as identified in Goodrich Service Bulletin 7A1508/09/10/39-25-373, Revision 3, dated March 30, 2011. (3) Model A340-541 and -642 airplanes, as identified in Goodrich Service Bulletins 7A1508/09/10/39-25-373, Revision 3, dated March 30, 2011; and 4A3928/4A3934-25-374, Revision 2, dated March 30, 2011.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
Within 36 months after the effective date of this AD, inspect the evacuation systems to determine whether any pressure relief valve having part number (P/N) 4A3641-1, 4A3791-3, 4A3641-26, or 4A3791-6 is installed. A review of airplane maintenance records or the system identification placard on the girt is acceptable in lieu of this inspection if the part number of the pressure relief valve can be conclusively determined from that review.
Unsafe condition
This AD was prompted by reports that during workshop testing, certain pressure relief valves did not seal and allowed the pressure in certain slides/rafts to fall below the minimum raft mode pressure for the unit. We are issuing this AD to prevent loss of pressure in the escape slides/rafts after an emergency evacuation, which could result in inadequate buoyancy to support the raft's passenger capacity during ditching and increase the chance for injury to raft passengers.
Affected ADs
This AD supersedes AD 2007-23-01, Amendment 39-15247 (72 FR 62568, November 6, 2007).
Read the original on the Federal Register →
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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