AD/BELL 214/2 - Main Transmission Upper Planetary Carrier (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.

Bell Helicopter Textron 214 Series Helicopters

AD/BELL 214/2 Main Transmission Upper Planetary Carrier 1/2003

Applicability: Model 214B, 214B-1, and 214ST helicopters with main transmission upper planetary carrier, part number (P/N) 214-040-077-007 or -3101 installed.

Requirement: 1. Create a component history card or equivalent record for the carrier, P/N 214- 040-077-007 or -101.

2. Determine and record the accumulated Retirement Index Number (RIN) to date on the carrier as follows: (if the multiplication results in a fraction, round the results up to the next whole number)

For Model 214B or B-1 helicopters:

1. Multiply the high-power event total to date by 2; or

b. If the actual operating hours are known; and

1. If the type of operation is internal load lift operations only, multiply each operating hour by 7;

ii. If the type of operation involves any external load lift operations and the number of external load lift operations is known, use table 1 and multiply the appropriate factor for the average number of external load lift operations by the number of actual operating hours;