WASHINGTON, Jan. 12 -- Federal Aviation Administration has issued a proposed rule called: Airworthiness Directives; The Boeing Company Airplanes.

The proposed rule was published in the Federal Register on Jan. 12 by Peter A. White, Deputy Director, Integrated Certificate Management Division, Aircraft Certification Service.

Summary: The FAA proposes to adopt a new airworthiness directive (AD) for all The Boeing Company Model 737-700, -700C, -800, -900, and -900ER series airplanes. This proposed AD was prompted by reports of cracks in the outward lower wing skin at the outboard end of a certain stringer. This proposed AD would require an inspection of the outboard lower wing skin on the left and right wing for any repair, repetitive inspect...