Airworthiness directives › 99-13-03
AD 99-13-03 Airworthiness Directives; Bell Helicopter Textron Canada (BHTC) Model 206L-4 Helicopters
Models named: 206L-4. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model 206L-4 helicopters, certificated in any category. Note 1: This AD applies to each helicopter identified in the preceding applicability provision, regardless of whether it has been otherwise modified, altered, or repaired in the area subject to the requirements of this AD. For helicopters that have been modified, altered, or repaired so that the performance of the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (e) of this AD. The request should include an assessment of the effect of the modification, alteration, or repair on the unsafe condition addressed by this AD; and, if the unsafe condition has not been eliminated, the request should include specific proposed actions to address it.
Compliance
Required within 25 hours time-in-service, unless accomplished previously. To prevent use of a collective idler link (link) or collective lever (lever) beyond its retirement life, which could lead to failure of the link or lever and subsequent loss of control of the helicopter, accomplish the following: (a) Determine the part numbers and serial numbers of the link and the lever in accordance with Part I of the Accomplishment Instructions in Bell Helicopter Textron Alert Service Bulletin No. 206L-98-110, dated May 6, 1998 (ASB). (b) Revise the Airworthiness Limitations section of the applicable maintenance manual to reflect the retirement lives in hours as stated in step 5, Part I of the Accomplishment Instructions in the ASB. (c) Remove any link or lever that has reached its retirement life and replace it with an airworthy link or lever. (d) Re-identify links and levers that do not have a serial number listed in Notes A or B of step 5, Part I of the Accomplishment Instructions in the ASB by marking the links and levers in accordance with Part II of the Accomplishment Instructions in the ASB. Re-identified links, P/N 206-010-446-107FM, and re- identified levers, P/N 206-010-447-109FM, have the same retirement lives as links, P/N 206-010-446-107, and levers, P/N 206-010-447-109, respectively. (e) An alternative method of compliance or adjustment of the compliance time that provides an acceptable level of safety may be used if approved by the Manager, Rotorcraft Certification Office, Rotorcraft Directorate, FAA. Operators shall submit their requests through a FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Rotorcraft Certification Office. Note 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Rotorcraft Certification Office. (f) Special flight permits may be issued in accordance with sections 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the helicopter to a location where the requirements of this AD can be accomplished. (g) The identification, service life determination, and re- identification of the link and lever shall be done in accordance with Bell Helicopter Textron Alert Service Bulletin No. 206L-98-110, dated May 6, 1998. This incorporation by reference was approved by the Director of the Federal Register in accordance with 5 U.S.C. 552(a) and 1 CFR part 51. Copies may be obtained from Bell Helicopter Textron Canada, 12,800 Rue de l'Avenir, Mirabel, Quebec JON1LO, telephone (800) 463-3036, fax (514) 433-0272. Copies may be inspected at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (h) This amendment becomes effective on July 2, 1999. Note 3: The subject of this AD is addressed in Transport Canada (Canada) AD No. CF-98-20, dated August 5, 1998. Issued in Fort Worth, Texas, on June 8, 1999. Eric Bries, Acting Manager, Rotorcraft Directorate, Aircraft Certification Service. [FR Doc. 99-15363 Filed 6-16-99; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1