Airworthiness Directives; MD Helicopters, Inc. (MDHI) Model MD- 900 Helicopters
airworthiness · Rule · Final rule. · Published 1999-08-06 · Effective 1999-09-10 · 64 FR 42824
Document
Document number
99-20182
Federal Register citation
64 FR 42824
Type
Rule
Action
Final rule.
Category
airworthiness
Manufacturer
MD
Publication date
1999-08-06
Effective date
1999-09-10
FAA docket
Docket No. 98-SW-42-AD
Abstract
This amendment supersedes an existing airworthiness directive (AD), applicable to MDHI Model MD-900 helicopters, that currently requires applying specified serial numbers and establishing life limits for certain parts. This amendment is prompted by additional analysis that supports an increase in the life limit of certain parts. The actions specified by this AD are intended to increase the life limits for various parts.