[Code of Federal Regulations]
[Title 14, Volume 1]
[Revised as of January 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 14CFR33.25]

[Page 762]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 33--AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES--Table of Contents
 
               Subpart B--Design and Construction; General
 
Sec. 33.25  Accessory attachments.

    The engine must operate properly with the accessory drive and 
mounting attachments loaded. Each engine accessory drive and mounting 
attachment must include provisions for sealing to prevent contamination 
of, or unacceptable leakage from, the engine interior. A drive and 
mounting attachment requiring lubrication for external drive splines, or 
coupling by engine oil, must include provisions for sealing to prevent 
unacceptable loss of oil and to prevent contamination from sources 
outside the chamber enclosing the drive connection. The design of the 
engine must allow for the examination, adjustment, or removal of each 
accessory required for engine operation.

[Amdt. 33-10, 49 FR 6851, Feb. 23, 1984]