AD 86-24-01

86-24-01 BELL HELICOPTER TEXTRON, INC.: Amendment 39-5468. Applies to Model 206A, 206B, and 206L helicopters certificated in any category equipped with T/R yoke Part Number (P/N) 206-011-819-101 in combination with T/R crosshead P/N 206-010-741-001 or -003.

Compliance is required as indicated unless already accomplished.

To prevent failure of the T/R pitch links, accomplish the following:

(a) Within the next 25 hours' time in service, inspect T/R assembly and determine if T/R yoke P/N 206-011-819-101 is installed in combination with T/R crosshead P/N 206-010-741- 001 or -003. If this T/R yoke and crosshead combination is installed, either:

(1) Remove T/R yoke P/N 206-011-819-101 and replace it with T/R yoke P/N 206-011-811-009; or

(2) Remove T/R crosshead P/N 206-010-741-001 or -003 and replace it with T/R crosshead P/N 206-011-855-001 or 206-011-857-001.

(b) Alternative inspections, modification, or other actions which provide an equivalent level of safety may be used when approved by the Manager, Helicopter Certification Branch, Southwest Region, Federal Aviation Administration, P.O. Box 1689, Fort Worth, Texas 76101.

This amendment becomes effective December 15, 1986.