Airworthiness Directive · Amendment 39-13126 · Various Surplus Military Airplanes Manufactured by Consolidated, Consolidated Vultee, and Convair
Various Surplus Military Airplanes Manufactured by Consolidated, Consolidated Vultee, and Convair
Superseded. A later AD replaced this one: AD 2003-18-01. Comply with the one in force.
Including, but not limited to, all of the following surplus military airplanes, certificated in any category: Consolidated Vultee Model PB4Y-1, P4Y-2, and LB-30 airplanes; Consolidated and Convair Model B-24 airplanes; and Consolidated Model C-109 and C-87 airplanes.
This amendment adopts a new airworthiness directive (AD) that is applicable to various surplus military airplanes manufactured by Consolidated, Consolidated Vultee, and Convair. This action requires repetitive inspections to find fatigue cracks in the lower rear cap of the wing front spar, front spar web, and lower skin of the wings; repair or replacement of any cracked part with a new part; and follow- on inspections at new intervals. This action is necessary to find and fix fatigue cracking, which could result in structural failure of the wings and consequent loss of control of the airplane. This action is intended to address the identified unsafe condition.
The aircraft, engines and makers this AD names, by the model designations in its text. A model listed here may still be outside the AD's serial ranges.
Appliances and equipment
