AD 76-14-03

76-14-03 BELL: Amendment 39-2665. Applies to Models 205A-1 and 212 helicopters, certificated in all categories equipped with fixed float landing gear, P/N's 205-706-050-1 or 205-706-050-7.

Compliance required as indicated.

To prevent possible failure of the forward and aft cross tubes, P/N's 205-050-114-1, -3, -5, -7, and -9 and cross tube assemblies, P/N's 205-706-050-5 and -9 due to possible fatigue cracks and to possible ineffective dampers, accomplish the following:

a. Within 50 hours' time in service after the effective date of this AD, remove cross tube damper assemblies, P/N's 205-050-127-3 and -5 manufactured by Frisby and install serviceable damper assemblies, P/N's 205-050-127-5 and -9 manufactured by Lord Manufacturing Company in accordance with Bell Helicopter Company Service Instructions No. 205-24 revised May 3, 1974, or No. 212-14 revised May 15, 1974, or later approved revisions or in accordance with FAA approved equivalent procedures.

b. Removeforward and aft cross tubes, P/N's 205-050-114-1, -3, -5, -7, and -9 and cross tube assemblies, P/N's 205-706-050-5 and -9 that have attained 450 or more hours' total time in service on the effective date of this AD within 50 hours' time in service.

c. Remove forward and aft cross tubes, P/N's 205-050-114-1, -3, -5, -7, and -9 and cross tube assemblies, P/N's 205-706-050-5 and -9 with less than 450 hours' total time in service on the effective date of this AD prior to attaining 500 hours' total time in service.

d. The requirements of this AD do not apply to other landing gear cross tubes or cross tube assemblies.

e. Operators not having kept time in service records on individual cross tubes should use float kit hours' time in service for the purpose of paragraphs (b) and (c).

(Bell Helicopter Company Service Bulletins No.'s 205-76-2 and 212-76-3 dated March 5, 1976, pertain to this subject.)

This amendment supersedes Amendment 39-1153 (36 F.R. 2864), AD 71-04-01.

This amendment becomes effective August 7, 1976.