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### DEPARTMENT OF TRAl'l'SPORTATION ANE-ISO JNmAl.Si,

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### 14CFR Pari 39 Federal Aviation 

### Administrmtion



## ~/'!IM Akwor~b.iness Directivesj SicmaAero Seat9140, 9166, 9173, 9174, 9184, 9188, 9196, 

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# ". [Docket No. FAA-2000-*****; Directorate 

### Identifier 2008-NM-204-AD) 

### IUN 2120-AA64
91B7, 9188, 9leO, 91C2, 91C3, 91C4, 91CS, and 9301 Series Passenger Seat Assemblies; and Sicma Aero Seat 9501311-05, 9501301-06, 9501311-15, 9501301-16,
ROtmNGSYMBOl 9501441-30, 9501441-33, 9501311-55, 9501301-56, 9501441-83, 9501441-95, 9501311-97, and 9501301-98 Passenger Seat Assemblies; Installed on Various Transport Category Airplanes. DAn; 

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..l.'iJ ~ AGENCY: Federal Aviation Administration (FAA), DOT. 

### ACTiON: Notice of

### proposed rulemaking (NPRM). SUMMARY: Wepropose to adopt anew airworthiness directive (AD) forthe products 

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### listed above. This proposed AD 

### results frommandatory continuing airworthiness infonnation (MeAl) 

### originated by anaviation authority ofanother cOlmtrytoidentify ,,,mALS,'>LG 

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# z1t'¥{f; and correct anunsafe condition on an aviation product. The MeAl 

### describes the unsafe condition as: Cracks have been found on seatbackrest links PIN (partnumber) 90-000200-104-1 and PIN 90-000200-104-2. These cracks can 

### significantly affect the structural integrity ofseatbackrests. 

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### *' Failure orthe backrest links could result ininjury to an occupant during emergency conditions. The proposed AD 

### wouldrequire actions that are intended to address the lIDsafecondition described inthe MeAl.1491G-I3-PI DEPARTMENT OFTRANSPORTArtON Federal A"'iation Administration 14eFR 

### Part 39 IDocket No. FAA-2009-"''''***; Directorate Identifier 2008-NM-204-AD] RIN 2120-AA64 Ain\'orthiness I)it'cctives; Sicma Acro Seal 9140. 9166, 9173. 9J74. 9134. 9188, 9196, 9] B7. 9[88, 91CO, 91C2, 91CJ, 91C4, 91 C5, and 9301 Series Passenger Seat Assemblies: and Sicma Aero Seat 9501311-05, 9501301-06. 9501311·15. 9501301-16, 9501441-30. 9501441-33. 9501311-55. 950130 1-56.9501441-83, 9501441-95, 

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9501311-97, and 9501301-98 Passenger Seal Assemblies: Installed on Various Transport 

# '-.r,--- [DA" Category Airplanes. AGENCY: Federal Aviation Administration (FAA). DOT ACTION: Notice of proposed rulemaking (NPRM). SUMMARY: We propose to adopt ane"i airworthiness directive (AD) for the products listed above. This propused AD ri::sults Ji'OlnmandaLory continuing airworthiness infonnatiol1 (MeAl) originated by an <lviaLioJ1 authority of" another country to identiCy anJ <:orrectan unsafe conJition on an aviation product. The MCAI describes the unsafe condition as: Cracks have been found on seat backrest links 

### PiN (pan number) 90-000200-104·1 and PIN 90-000200-104-2. These cracks can significantly affect the struclural integrity afseat backrests. '" '" '" Failure of the baekresilinks could result in injury to an occupant during emergency conditions_ The proposed AD would require actions that are intended to address the
unsare condition described in the MeAl. 

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