Airworthiness Directives; Boeing Model 747 -400 and -400D Series Airplanes
airworthiness · Rule · Final rule; request for comments. · Published 2004-04-28 · Effective 2004-05-13 · 69 FR 23098
Document
Document number
04-9378
Federal Register citation
69 FR 23098
Type
Rule
Action
Final rule; request for comments.
Category
airworthiness
Manufacturer
Boeing Model 747 -400 and -400D Series
Publication date
2004-04-28
Effective date
2004-05-13
FAA docket
Docket No. 2004-NM-42-AD
Abstract
This amendment adopts a new airworthiness directive (AD), applicable to certain Boeing Model 747-400 and 400D series airplanes. This action requires installation of tie bars on the rails of the center passenger service units (PSU) panel in Zone A. This action is necessary to prevent PSU panels from moving and falling from the PSU support rails during takeoff and landing, which could result in injury to passengers and could impede evacuation of the passengers in an emergency situation. This action is intended to address the identified unsafe condition.