AD/BEECH 1900/38 - Elevator Control System (Cth)

AIRWORTHINESS DIRECTIVE For the reasons set out in the background section, the CASA delegate whose signature appears below issues the following Airworthiness Directive (AD) under subregulation 39.1 (1) of CAR 1998. The AD requires that the action set out in the requirement section (being action that the delegate considers necessary to correct the unsafe condition) be taken in relation to the aircraft or aeronautical product mentioned in the applicability section: (a) in the circumstances mentioned in the requirement section; and (b) in accordance with the instructions set out in the requirement section; and (c) at the time mentioned in the compliance section.

Beechcraft 1900 Series Aeroplanes

AD/BEECH 1900/38 Elevator Control System 3/2003 TX

Applicability: All Model 1900, 1900C, and 1900D aircraft.

Requirement: 1. Perform a control column sweep inspection to verify full elevator travel to the primary up and down stops. Accomplish this inspection in accordance with the Raytheon Aircraft Company 1900, 1900C, or 1900D maintenance manual, as applicable; using the following procedures:

1. Remove the aft fairing from the vertical stabiliser to gain visual access to surface stop bolts on the elevator control horn support.

b. Perform a full pitch-down to full pitch-up control column sweep. Visually ensure that the elevator horns contact the surface stop bolts for both the full pitch-down and full pitch-up control column positions.

c. Measure the length of both elevator down stop bolts from the crown of the bolt head to the face of the elevator lower stop bolt support.

(i) If the dimension of each stop bolt is equal to or less than 1.00 inch, the bolts are acceptable for the purposes of this inspection.