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2000-22-13 BELL HELICOPTER TEXTRON CANADA: Amendment 39-11959. Docket No. 2000-SW-11-AD.
Applicability: Model 430 helicopters, serial numbers 49001 through 49059, 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 (c) 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 at the next scheduled fuel system calibration or at the next annual inspection, whichever occurs first, unless accomplished previously.
To prevent an inaccurate fuel quantity indicating system reading, engine flameout due to fuel starvation, and a subsequent forced landing, accomplish the following:
(a) Calibrate the fuel quantity indicating system in accordance with steps 1 through 21 of the Accomplishment Instructions, Bell Helicopter Textron Alert Service Bulletin No. 430-99-13, dated December 13, 1999 (ASB).
(b) Insert BHT-430-MM-10, Chapter 95, Revision 2, dated December 10, 1999, into the Maintenance Manual.
(c) 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, Regulations Group, Rotorcraft Directorate, FAA. Operators shall submit their requests through an FAA Principal Maintenance Inspector, who may concur or comment and then send it to the Manager, Regulations Group.NOTE 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Regulations Group.
(d) 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.
(e) Calibrate the fuel quantity indicating system in accordance with steps 1 through 21 of the Accomplishment Instructions, Bell Helicopter Textron Alert Service Bulletin No. 430-99-13, dated December 13, 1999. 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 (450) 437-2862 or (800) 363-8023, fax (450) 433-0272. Copies may be inspected at the FAA, Office of the Regional Counsel, Southwest Region, 2601 Meacham Blvd., Room 663, Fort Worth, Texas; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC.
(f) This amendment becomes effective on December 12, 2000.
NOTE 3: The subject of this AD is addressed in Transport Canada (Canada) AD No. CF-2000-04, dated February 8, 2000.
