CF-98-42 BELL

Applies to the following Bell Helicopter Textron Canada (BHTC) Model 206L series helicopters:

(i)     206L S/N 45004 through 45153, and 46601 through 46617;
(ii)    206L-1 S/N 45154 through 45710;
(iii)   206L-3 S/N 51001 through 51613;
(iv)  206L-4 S/N 52001 and subsequent.

Compliance is required as indicated, unless already accomplished.

There have been at least seven reports of cracks to the tailboom skin in the area of the horizontal stabilizer. The cracks were found by normal visual inspection. The average time accumulated on the tailbooms was more than 2000 hours; however, cracks could develop at any time. Pending further terminating action, recurring inspections are necessary.

To ensure the early detection of cracks and the structural integrity of the tailboom, accomplish the following:

1.   Initially, before further flight after receipt of this directive, perform a visual inspection of the tailboom in accordance with BHTC Alert Service Bulletin (ASB) 206L-98-114 dated 25 November 1998 or later revisions approved by the Director, Aircraft Certification, Transport Canada.

2.   Subsequently, before the first flight of each day, perform a visual inspection of the tailboom in accordance with the above noted ASB 206L­98­114. This inspection may be done by trained and certified pilots.

3.   If any crack is found on the tailboom skin as a result of one of the above inspections, replace the tailboom before the next flight. Report findings to Transport Canada, Continuing Airworthiness Division (AARDG) at facsimile (613) 996­9178, and to Bell Helicopter Textron Canada - product support engineering at facsimile (450) 433­0272.

This directive becomes effective upon receipt.