airworthiness · Rule · Final rule; request for comments. · Published 1998-11-24 · Effective 1998-12-09 · 63 FR 64856
Document
Document number
98-31331
Federal Register citation
63 FR 64856
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Agusta A109C
Publication date
1998-11-24
Effective date
1998-12-09
FAA docket
Docket No. 98-SW-14-AD
Abstract
This amendment adopts a new airworthiness directive (AD) that is applicable to Agusta A109C helicopters. This action requires, within the next 5 hours time-in-service (TIS), replacing the tail rotor blade grip assemblies (grip assemblies) with modified airworthy grip assemblies. This amendment is prompted by cracks that were found on the grip assemblies during maintenance inspections. This condition, if not corrected, could result in separation of a tail rotor blade and subsequent loss of control of the helicopter.