AD NUMBER: 2004-13-04
MANUFACTURER: Short
SUBJECT: Airworthiness Directive 2004-13-04
SUMMARY: This amendment adopts a new airworthiness directive (AD), applicable to certain Short Brothers Model SD3-SHERPA series airplanes, that requires a repetitive detailed inspection of the stub wing shear decks for corrosion and abnormal wear on and around the retaining pin in the main landing gear (MLG) forward pintle pin; and corrective action, if necessary. This AD also provides an optional terminating action. These actions are necessary to detect and correct corrosion and abnormal wear to the top and bottom shear decks, which could result in damage to the MLG and consequent reduced controllability of the airplane on landing. This action is intended to address the identified unsafe condition.This amendment adopts a new airworthiness directive (AD), applicable to certain Short Brothers Model SD3-SHERPA series airplanes, that requires a repetitive detailed inspection of the stubwing shear decks for corrosion and abnormal wear on and around the retaining pin in the mainlanding gear (MLG) forward pintle pin; and corrective action, if necessary. This AD also providesan optional terminating action. These actions are necessary to detect and correct corrosion andabnormal wear to the top and bottom shear decks, which could result in damage to the MLG andconsequent reduced controllability of the airplane on landing. This action is intended to addressthe identified unsafe condition.

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