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Special conditions · aircraft

Special Conditions: Boeing Model 737-900ER series airplanes; Interaction of \nSystems and Structures

Special conditions are rules the FAA writes for one design when the standard certification rules do not cover something new about it. These were published March 25, 2007 for Boeing. System: other and general.

What it applies to

Applicant
Boeing
Makes
Boeing
Models
—
Published
March 25, 2007
Effective
March 18, 2007
The FAA's document
On the FAA's site

The FAA's summary their words, unchanged

This special condition is issued for the Boeing Model 737- 900ER airplane. This airplane will have a novel or unusual design feature(s) associated with the interaction of systems and structures. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. This special condition contains the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

Source: FAA special conditions (final) from the Dynamic Regulatory System; the Federal Register carries the same notices.