AD 82-18-10

82-18-10 FLIGHT EQUIPMENT AND ENGINEERING CORPORATION: Amendment 39-4450. Applies to 639 and 675 series seats of the model and serial numbers listed below manufactured in accordance with FAA Technical Standard Order (TSO) C-39a, Aircraft Seats and Berths, and installed in aircraft certificated in any category. These seats are believed to be installed in, but not necessarily limited to, Douglas Model DC-9 Series and Boeing Model 737 Series airplanes.

Model No. Serial No. 639NL 19654 thru 19661 639-3WL 19476 thru 19499, 19940, 22273 639-3WR 19500 thru 19523, 19941, 22274 639-3XL 19524, 19525 639-3XR 19526, 19527 639-3ZR 19530, 19531 639-3AAL 19532, 19533 639-3AAR 19534, 19535 639-3ABL 19536, 19537 639-3ABR 19538, 19539 639-3ACL 19540, 19541 639-3ACR 19542, 19543 639-3AER 19662, 19663 639-3AQL 21050 thru 21063 639-3AQR 21064 thru 21077 639-3ASL 21078 639-3ASR 21079 639-3ATL 21080 639-3ATR 21081 639-3AUR 21082 639-3AVL 21083 639-3AVR 21084 639-3AWL 21085 639-3AWR 21086 639-3AXR 21087 639-3AZL 21090 639-3AZR 21091 639-3BBL 21289 thru 21299, 21332 thru 21342 639-3BBR 21300 thru 21310, 21343 thru 21353 639-3BCL 21311, 21354 639-3BCR 21312, 21355 639-3BDL 21313, 21356 639-3BDR 21314, 21357 639-3BEL 21315, 21325 639-3BER 21316, 21326 639-3BFL 21317, 21327 639-3BGR 21318, 21328 639-3BHL 21319, 21358 639-3BHR 21320, 21331 639-3BKR 21323, 21331 675-3AR 21494 thru 21526, 21680 thru 21707, 21766 thru 21793, 22152 thru 22172, 22233 thru 22238, 22873 thru 22883, 23025 thru 23029 675-3BL 21527 thru 21529, 21708, 21709, 21794, 21795, 22173, 22174, 22884, 23030 675-3BR 21530 thru 21532, 21710, 21711, 21796, 21797, 22175, 22176, 22885, 23031 675-3CL 21533 thru 21535, 21712, 21713, 21798, 21799, 22177, 22178, 22886, 23032 675-3CR 21536 thru 21538, 21714, 21715, 21800, 21801, 22179, 22180, 22887, 23033 675-3DL 21539 thru 21541, 22888, 23034675-3DR 21542 thru 21544, 22889, 23035 675-3EL 21545 thru 21547, 22890, 23036 675-3FR 21548 thru 21550, 22891, 23037 675-3GL 21551 thru 21553, 21716, 21717, 21802, 21803, 22892, 23038 675-3GR 21554 thru 21556, 21718, 21719, 21804, 21805, 22893, 23039 675-3JR 21563 thru 21565, 22896, 23042 675-3KR 21724, 21725, 22333, 23043, 23197 675-3MR 21726, 21727, 22239, 22240, 23044 675-3NL 21728, 21729, 22241, 22242, 22334, 23045, 23197 675-3NR 21730, 21731, 21810, 21811, 22243, 22244, 23046 675-3PL 21732, 21733, 22245, 22246, 23047 675-3PR 21734, 21735, 22247, 22248, 23048 675-3QL 22181 675-3QR 22182 675-3SR 22183 675-3TR 22184 675-3UL 21812, 21813, 23049 675-3UR 21814, 21815, 23050 675-3AL 21461 thru 21493, 21652 thru 21679, 21738 thru 21765, 22128 thru 22151, 22227 thru 22232, 22862 thru 22872, 23020 thru 23024

COMPLIANCE: Required within 60 calendar days after the effective date of this AD, unless already accomplished.

To assure the seat attachment meets strength requirements of TSO C-39a, accomplish the following:

(a) Replace existing P/N 31620 track lock fittings with P/N 33667 fittings having increased strength.

(b) Airplanes may be flown in accordance with FAR 21.197 to a location where this AD may be accomplished.

(c) An alternate means of compliance with this AD may be used if approved by the Chief, Atlanta Certification Office, FAA, P.O. Box 20639, Atlanta, Georgia 30320.

Flight Equipment Service Bulletin No. 675-25-63 dated April 6, 1982, Subject: Replacement of Leg Frame Rear Floor Track Fitting - Replacement of, pertains to the subject matter of this AD.

This amendment becomes effective October 4, 1982.