[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: 14CFR33.53]

[Page 768]
 
                     TITLE 14--AERONAUTICS AND SPACE
 
CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION
 
PART 33--AIRWORTHINESS STANDARDS: AIRCRAFT ENGINES--Table of Contents
 
         Subpart D--Block Tests; Reciprocating Aircraft Engines
 
Sec. 33.53  Engine component tests.

    (a) For each engine that cannot be adequately substantiated by 
endurance testing in accordance with Sec. 33.49, the applicant must 
conduct additional tests to establish that components are able to 
function reliably in all normally anticipated flight and atmospheric 
conditions.
    (b) Temperature limits must be established for each component that 
requires temperature controlling provisions in the aircraft installation 
to assure satisfactory functioning, reliability, and durability.