AD 85-14-04

85-14-04 CANADAIR: Amendment 39-5087. Applies to all Canadair Model CL-600-1A11 (CL-600) and CL-600-2A12 (CL-601) airplanes as specified in Canadair alert service bulletins A600-0416 dated July 30, 1984, or A601-0069 dated July 30, 1984, certificated in any category. Compliance is required as indicated unless already accomplished. To provide adequate lightning protection for the wing center section lower skin and the wing gravity filler caps, accomplish the following:

A. Within 30 days after the effective date for this AD, unless the center wing fuel tank lower skin surface and the gravity filler fuel caps are unpainted or have been painted in accordance with Canadair Alert Service Bulletin A600-0416 dated July 30, 1984 (for CL-600 airplanes), or A601-0069 dated July 30, 1984 (for CL-601 airplanes), install a placard, which may be locally manufactured, on the left hand main instrument panel using letters of 1/8-inch minimum height, which reads as follows: "NOT APPROVED FOR FLIGHT INTO AREAS WHERE LIGHTNING CONDITIONS ARE KNOWN TO EXIST."

B. Within the next six calendar months after the effective date of this AD, ensure that the center wing fuel tank lower skin surface and the wing gravity filler fuel caps are either unpainted or painted in accordance with the above service bulletins, as applicable.

C. Upon completion of paragraph B., remove placard installed in accordance with paragraph A.

D. Alternate means of compliance which provide an acceptable level of safety may be used when approved by the Manager, Seattle Aircraft Certification Office, FAA, Northwest Mountain Region.

E. Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate airplanes to a base for the accomplishment of inspections and/or modifications required by this AD. This amendment becomes effective August 12, 1985.