Airworthiness directives › 2019-06-03
AD 2019-06-03 Airworthiness Directives; Airbus SAS Airplanes
Models named: A330-223F, -243F, A330-201, -202, -203, -223, -243, A330-301, -302, -303. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to the airplanes identified in paragraphs (c)(1), (c)(2), (c)(3), (c)(4), (c)(5), and (c)(6) of this AD, certificated in any category, all manufacturer serial numbers. (1) Airbus SAS Model A330-223F and -243F airplanes. (2) Airbus SAS Model A330-201, -202, -203, -223, and -243 airplanes. (3) Airbus SAS Model A330-301, -302, -303, -321, -322, -323, -341, -342, and -343 airplanes. (4) Airbus SAS Model A340-211, -212, and -213 airplanes. (5) Airbus SAS Model A340-311, -312, and -313 airplanes. (6) Airbus SAS Model A340-541 and -642 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Affected HRs are identified in table 1 to paragraphs (g), (h), and (i) of this AD. (2) Affected parts are PRVs that have part number (P/N) 42F0026 and a serial number (S/N) identified in Safran Vendor Service Bulletin 42-29-005, Revision 01, dated September 26, 2017; and Safran Vendor Service Bulletin 42-29-006, Revision 01, dated September 27, 2017; as applicable. (3) Group 1 airplanes have an affected part installed. (4) Group 2 airplanes do not have an affected part installed. A Model A330 airplane on which Airbus SAS modifications 206863, 206864, and 206965 have been embodied in production is a Group 2 airplane, provided the airplane remains in that configuration. (5) In table 1 to paragraphs (g), (h), and (i) of this AD: Green hydraulic circuit is (G), blue hydraulic circuit is (B), and yellow hydraulic circuit is (Y). ER04AP19.005
Unsafe condition
This AD was prompted by reports of depressurization of hydraulic reservoirs (HRs) caused by air leakage from the pressure relief valve (PRV) of the HR due to the extrusion of the O-ring seal from certain HR PRVs. We are issuing this AD to address air leakage from the HR PRV, which could lead to the loss of one or more hydraulic systems, with the possible loss of control of the airplane.
Affected ADs
This AD affects AD 2017-01-08, Amendment 39-18775 (82 FR 1593, January 6, 2017) (“AD 2017-01-08”).
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