Airworthiness directives › 2019-21-06
AD 2019-21-06 Airworthiness Directives; Ipeco Pilot and Co-Pilot Seats
Applicability*9
(1) This AD applies to: (i) Ipeco Holdings Limited (Ipeco) pilot and co-pilot seats with a part number (P/N) listed in Paragraph 1.A., Planning Information, Tables 1 and 2, of Ipeco Service Bulletin (SB) Number 063-25-14, Revision 00, dated August 14, 2018, and (ii) Ipeco pilot seat P/N 3A063-0099-01-1 and Ipeco co-pilot seat P/N 3A063-0100-01-1. (2) These seats are installed on, but not limited to, ATR-GIE Avions de Transport Regional ATR 42 and ATR 72 airplanes.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) For seats that have not installed the tracklock spring modification kit, within two years after December 12, 2017 (the effective date of AD 2017-22-02), modify and re-identify each affected pilot and co-pilot seat. Use the Accomplishment Instructions of Ipeco SB Number 063-25-08, Revision 00; Ipeco SB Number 063-25-09, Revision 00; or Ipeco SB Number 063-25-10, Revision 00; all dated May 31, 2016, as appropriate, to do the modification and re-identification. (2) For all affected seats: (i) Within 750 flight hours (FHs) after the effective date of this AD, and, thereafter at intervals not to exceed 750 FHs, inspect the tracklock spring of each seat in accordance with the Accomplishment Instructions, paragraph 3.2, of the Ipeco SB Number 063-25-14, Revision 00, dated August 14, 2018. (ii) If, during any inspection as required by paragraph (g)(2)(i) of this AD, any damage on, or incorrect installation of, any tracklock spring is found on the pilot or co-pilot seat, before further flight, replace both tracklock springs of the affected seat with a part eligible for installation using the Accomplishment Instructions, paragraphs 3.3.3.1 or 3.3.3.2, as applicable, of the Ipeco SB Number 063-25-14, Revision 00, dated August 14, 2018. (3) Within 30 days after the initial and repetitive inspections, and thereafter for two years after the effective date of this AD, send the inspection results, including no findings, to Ipeco at technicalsupport@ipeco.com.
Unsafe condition
This AD was prompted by reports of tracklock spring failures occurring on affected seats, including those seats already modified by AD 2017-22-02. The FAA is issuing this AD to prevent unexpected movement of pilot and co-pilot seats on takeoff and landing. The unsafe condition, if not addressed, could result in reduced control of the airplane.
Affected ADs
This AD replaces AD 2017-22-02, Amendment 39-19082 (82 FR 51552, November 7, 2017).
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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