AIRWORTHINESS DIRECTIVES FINAL RULES: 70-15-01

CITATION: This information is not available.

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AMENDMENT: 39-1026

AD NUMBER: 70-15-01

SUBJECT HEADING: Airworthiness Directives; Sikorsky S-61A, S-61L, S-61N, and S-61R Helicopters

ACTION:

SUMMARY:

DATES: Effective July 22, 1970.

ADDRESSES:

FOR FURTHER INFORMATION CONTACT:

SUPPLEMENTARY INFORMATION:

REGULATORY TEXT: 70-15-01 SIKORSKY AIRCRAFT: Amdt. 39-1026. Applies to Sikorsky S-61A/L/N/R Type Helicopters Certificated In All Categories and Incorporating Torrington A18702 Series Cabin Heater Blower Assemblies.

Compliance required within the next 25 hours' time of cabin heater operation after the effective date of this AD unless already accomplished.

To prevent potential hazards associated with intermittent operation of the cabin heater blower, accomplish the following:

(a) Comply with the Accomplishment Instructions (excluding paragraph D) of Sikorsky Service Bulletin No. 61B55-14 dated 1 April 1970, or later revision, or equivalent method both approved by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.

(b) Upon request with substantiation data submitted through an FAA maintenance inspector, the compliance time specified in this AD may be increased by the Chief, Engineering and Manufacturing Branch, FAA, Eastern Region.

This amendment is effective July 22, 1970.

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