Page:CAB Accident Report, United Air Lines Flight 823.pdf/26

 3. Adding the following new paragraph (b) and the following parenthetical reference statement to read:

(b) Within eight months after March 24, 1966, on Model 109C, up to and including Serial Number 889, saw off near the case the two latch clamps which are to the left of the pitot pressure line connector when facing the pitot pressure line connector. File the remaining edges of the clamp to conform to the contour of the recorder case, and install Lockheed Aircraft Service Company clamping ring, P/N 4024582-803, or an equivalent approved by the Chief, Aircraft Engineering Division, FAA Western Region.

(Lockheed Aircraft Service Company Bulletin No. 31-12 dated April 1, 1965, covers this subject.)

This amendment effective March 24, 1966.