The U.S. aircraft register, updated daily
Special conditions · electric or hybrid design

General Electric CF6-50 Engines

Special conditions are rules the FAA writes for one design when the standard certification rules do not cover something new about it. These were for General Electric. System: electric propulsion.

What it applies to

Applicant
General Electric
Makes
General Electric
Models
—
Effective
November 7, 1971
The FAA's document
On the FAA's site

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