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![]() DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 Amendment 39-3442; AD 79-07-02 Airworthiness Directives; ESB WISCO, INCORPORATED: Applies To Those Batteries Manufactured During December 1978, January and February 1979 PDF Copy (If Available): ![]() 79-07-02 ESB WISCO, INCORPORATED: Amendment 39-3442. EXIDE AC 78M and WILLARD W 78M BATTERIES. Applies to those batteries manufactured during December 1978, January and February 1979, identified by the figures N-8, A-9, or B-9 stamped on either terminal post. They may be installed in, but not limited to, the following aircraft:
Compliance is required as follows. Remove from service before next flight and replace with any approved battery of comparable rating. This amendment becomes effective April 3, 1979. |