Airworthiness directives › 2018-23-01
AD 2018-23-01 Airworthiness Directives; Zodiac Seats France Cabin Attendant Seats
Applicability*9
(1) This AD applies to all Zodiac Seats France Cabin Attendant Seats, 536 Series, part numbers (P/N) 53600, all dash numbers, and all serial numbers, with seat pan P/N F0433453, installed. (2) These appliances are installed on, but not limited to, ATR 42 and ATR 72 airplanes of U.S. registry.
Compliance
Comply with this AD within the compliance times specified, unless already done.
Required actions
(1) Before exceeding 2,500 flight cycles (FCs), or within 100 FCs after the effective date of this AD, whichever occurs later, inspect the seat pan structure in both deployed and stowed positions using paragraph 2.A., Accomplishment Instructions, of Zodiac Seats France Service Bulletin (SB) No. 536-25-003, Rev. 3, dated June 2, 2017. (2) If cracks are found, before the next flight: (i) Replace seat pan with reinforced seat pan, P/N F0511530, using paragraph 2.B., Accomplishment Instructions, of Zodiac Seats France SB No. 536-25-003, Rev. 3, dated June 2, 2017. (ii) Re-mark the seat using paragraph 2.C., Accomplishment Instructions, of Zodiac Seats France SB No. 536-25-003, Rev. 3, dated June 2, 2017. (3) If no cracks are found, do the following: (i) Re-mark the seat using paragraph 2.C., Accomplishment Instructions, of Zodiac Seats France SB No. 536-25-003, Rev. 3, dated June 2, 2017. (ii) Reinspect the seat pan every 100 FCs since last inspection, or replace seat pan with reinforced seat pan, P/N F0511530, using paragraph 2.B., Accomplishment. Instructions, of Zodiac Seats France SB No. 536-25-003, Rev. 3, dated June 2, 2017. (4) After the effective date of this AD, and until compliance with this AD is accomplished, stow and secure an affected attendant seat in the retracted position to prevent occupancy, in accordance with the provisions and limitations of the applicable Master Minimum Equipment List item.
Unsafe condition
This AD was prompted by cracks found in a highly concentrated stress area of the seat pan hinges. We are issuing this AD to prevent failure of affected seats. The unsafe condition, if not addressed, could result in injury to the seat occupants.
Affected ADs
None.
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