Airworthiness directives › 2018-23-15
AD 2018-23-15 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), and (c)(5) 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, -213 airplanes. (5) Airbus SAS Model A340-311, -312, and -313 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) An affected part is a RAT hydraulic pump having part number (P/N) 5916430 and a serial number identified in UTC Aerospace Systems Service Bulletin ERPS06M-29-22, dated March 17, 2017; Revision 1, dated June 27, 2017; or Revision 2, dated May 24, 2018. (2) A serviceable part is a RAT hydraulic pump identified as acceptable in Airbus Service Bulletin A330-29-3130 or A340-29-4098, both dated May 3, 2017, as applicable. (3) Group 1 airplanes are airplanes on which an affected part is installed. (4) Group 2 airplanes are airplanes on which no affected part is installed. A Model A330 airplane on which Airbus SAS Modification 206604 has been embodied in production is a Group 2 airplane, provided that the airplane remains in that configuration.
Unsafe condition
This AD was prompted by defects found during production tests of ram air turbine (RAT) units; investigation revealed that the defects were due to certain RAT hydraulic pumps having an alternative manufacturing process of the pump pistons. We are issuing this AD to prevent low performance of the pump, which, following a total engine flame-out, or during a total loss of normal electrical power generation, could result in reduced control of the airplane.
Affected ADs
This AD affects AD 2016-14-01, Amendment 39-18582 (81 FR 44983, July 12, 2016; corrected August 16, 2016 (81 FR 51097, August 3, 2016)) (“AD 2016-14-01”).
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