76-06-05 BRITTEN NORMAN LTD: Amendment 39-2555. Applies to BN-2A and BN-2A Mark III airplanes certificated in all categories.
Compliance is required as indicated, unless already accomplished.
To prevent inadvertent release of the pilots' seats in the seat tracks, accomplish the following:
(a) Within the next 50 hours' time in service after the effective date of this AD, inspect the pilots' seats locking mechanism (Alar P/N NB-99-H-007, or Jetseats P/N JS114) for damage and for short pawls, in accordance with paragraph Nos. 1, 2, 3, and 4 of the section titled "Inspection" of Britten Norman Ltd. Service Bulletin No. BN-2/SB.71, dated June 12, 1974, or an FAA-approved equivalent.
(b) If seats with damaged locking parts are found, before further flight, remove damaged parts and install serviceable parts of the same part numbers, or FAA-approved equivalents.
(c) If seats with short pawls are found, before further flight, lock the seats in place in accordance with paragraph 5a. of the section titled "Inspection" of Britten Norman Ltd. Service Bulletin No. BN-2/SB.71, dated June 12, 1974, or an FAA-approved equivalent, until compliance with paragraph (d) of this AD is accomplished.
(d) Within the next 100 hours' time in service after the effective date of this AD, modify seats with short pawls in accordance with paragraph 5b. of section titled "Inspection" of Britten Norman Ltd. Service Bulletin No. BN-2/SB.71, dated June 12, 1974, or an FAA-approved equivalent.
This amendment becomes effective on April 19, 1976.