AD 95-02-19 Airworthiness Directives; Jetstream Aircraft Limited (formerly British Aerospace, Regional Airlines Limited) HP137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 Airplanes

Models named: 3101, 3201. Read the applicability below — it usually turns on serial or part numbers too.

HP137 Mk1, Jetstream Series 200, and Jetstream Models 3101 and 3201 airplanes (all serial numbers), certificated in any category.

Required within the next 300 hours time-in-service (TIS) after the effective date of this AD, unless already accomplished, and thereafter as indicated. To prevent pilot windscreen poly vinyl butyrate (PVB) interlayer cracking, which, if not detected and corrected, could result in decompression injuries, accomplish the following: (a) Visually inspect the left and right windscreens for PVB interlayer cracks in accordance with the ACCOMPLISHMENT INSTRUCTIONS section of Jetstream Service Bulletin (SB) 56-JA 92043, Revision No. 1, dated December 16, 1993. (1) If any crack is found that is within the limits specified in Pilkington Aerospace SB No. 037-56-1001, Issue Date: October 21, 1992, Revision 1: March 31, 1993, reinspect within the next 300 hours TIS, and replace or reinspect the windscreen thereafter as applicable. (2) If any crack is found that exceeds the limits specified in Pilkington Aerospace SB No. 037-56-1001, Issue Date: October 21, 1992, Revision 1: March 31, 1993, prior to further flight, replace the windscreen with a new windscreen and reinspect within the next 2,400 hours TIS, and replace or reinspect the windscreen thereafter as applicable. (3) If no cracks are found, reinspect the windscreen within the next 2,400 hours TIS, and replace or reinspect the windscreen thereafter as applicable. (b) Special flight permits may be issued in accordance with Secs. 21.197 and 21.199 of the Federal Aviation Regulations (14 CFR 21.197 and 21.199) to operate the airplane to a location where the requirements of this AD can be accomplished. (c) An alternative method of compliance or adjustment of the initial or repetitive compliance times that provides an equivalent level of safety may be approved by the Manager, Brussels Aircraft Certification Office (ACO), Europe, Africa, Middle East office, FAA, c/o American Embassy, B-1000 Brussels, Belgium. The request should be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Brussels ACO. Note: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Brussels ACO. (d) The inspections required by this AD shall be done in accordance with Jetstream Service Bulletin 56-JA 920843, Revision No. 1, dated December 16, 1993. 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 Jetstream Aircraft Limited, Manager Product Support, Prestwick Airport, Ayrshire, KA9 2RW Scotland; or Jetstream Aircraft Inc., Librarian, P.O. Box 16029, Dulles International Airport, Washington, DC 20041-6029. Copies may be inspected at the FAA, Central Region, Office of the Assistant Chief Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri, or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (e) This amendment (39-9137) becomes effective on March 10, 1995. Issued in Kansas City, Missouri, on January 26, 1995. Michael K. Dahl, Acting Manager, Small Airplane Directorate, Aircraft Certification Service. [FR Doc. 95-2404 Filed 2-1-95; 8:45 am] BILLING CODE 4910-13-U