Airworthiness directives › 2022-14-08
AD 2022-14-08 Airworthiness Directives; BAE Systems (Operations) Limited Airplanes
Models named: 4101. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
This AD applies to BAE Systems (Operations) Limited Model 4101 airplanes, certificated in any category, all serial numbers.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
This paragraph restates the requirements of paragraph (f) of AD 2008-16-06, with revised service information. Within 24 months after September 9, 2008 (the effective date of AD 2008-16-06), unless already done, do the actions specified in paragraphs (g)(1) through (3) of this AD. (1) Inspect the bonding leads between ribs 1 and 9, and between ribs 16 and 19, in the left-hand (LH) and right-hand (RH) wings in accordance with paragraph 2.B.(2) of the Accomplishment Instructions of BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 1, dated January 10, 2008; or BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019; and, before next flight, replace all defective bonding leads with airworthy parts in accordance with BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 1, dated January 10, 2008; or BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019. As of the effective date of this AD, BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019, must be used for the actions required by this paragraph. (2) Inspect all fuel system pipe runs inside the LH and RH wings in accordance with paragraph 2.B.(3) of the Accomplishment Instructions of BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 1, dated January 10, 2008; or BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019; and, if incorrect clearances are found, before next flight, adjust clearances in accordance with BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 1, dated January 10, 2008; or BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019. As of the effective date of this AD, BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019, must be used for the actions required by this paragraph. (3) Install additional electrical bonding of components within the LH and RH wings in accordance with paragraphs 2.B.(4) through 2.B.(15) of the Accomplishment Instructions of BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 1, dated January 10, 2008; or paragraphs 2.B.(4) and 2.B.(6) through 2.B.(16) inclusive of BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019. As of the effective date of this AD, BAE Systems (Operations) Limited Service Bulletin J41-28-013, Revision 2, dated July 8, 2019, must be used for the actions required by this paragraph.
Unsafe condition
This AD was prompted by a report that there is insufficient bonding of the crossfeed valve in the fuel tank area. The FAA is issuing this AD to address insufficient or defective bonding in the fuel tank area, which, if not corrected, could lead to ignition of fuel vapors and subsequent fuel tank explosion.
Affected ADs
This AD replaces AD 2008-16-06, Amendment 39-15624 (73 FR 45346, August 5, 2008) (AD 2008-16-06).
Read the original on the Federal Register →
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