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Airworthiness Directive

AD 98-18-18 63 FR 46873 Active

Federal Aviation Administration · 14 CFR part 39

Requires modification of the attach points of the uplock system of the nose landing gear (NLG).

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FR document
98-23602
Amendment
39-10734
Published
1998-09-03
Effective
1998-10-08
Models covered
1

Last live check: 2026-10-04

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AD

98-18-18

FR doc 98-23602 · 63 FR 46873

AD 98-18-18Published 1998-09-03Effective 1998-10-08

FAA rule - 14 CFR 39

FAA rule. Compliance with an applicable AD is required under 14 CFR 39.7. Check its effective date, applicability, compliance times and current status.

Requires modification of the attach points of the uplock system of the nose landing gear (NLG).

Full official abstract

This amendment adopts a new airworthiness directive (AD), applicable to certain British Aerospace (Jetstream) Model 4101 airplanes, that requires modification of the attach points of the uplock system of the nose landing gear (NLG). This amendment is prompted by issuance of mandatory continuing airworthiness information by a foreign civil airworthiness authority. The actions specified by this AD are intended to prevent wear of the attach points of the uplock system of the NLG; such wear could result in damage to the adjacent emergency hydraulic system, or jamming of the uplock system and consequent inability to extend and retract the NLG.

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All British Aerospace Jetstream 41 directives

View on Federal Register (opens in a new tab) View this AD in FAA DRS (opens in a new tab) Print AD packet (opens the full Federal Register document in a new tab)

Applies to 1 model in our index