2003-05-04: Low pressure (LP) fuel tubes

2003-05-04 Rolls-Royce Deutschland Ltd. & Co KG: Amendment 39-13080. Docket No. 2002-NE-37-AD. Supersedes AD 2002-24-06, Amendment 39- 12971. Applicability: This airworthiness directive (AD) is applicable to Rolls-Royce Deutschland Ltd. & Co KG (RRD), Model Tay 620-15, 650-15 turbofan engines with low pressure (LP) fuel tube, part number (P/N) JR33021A, installed, and Tay 611-8 and 651-54 turbofan engines with Part 4 of RRD service bulletin (SB) TAY-73-1194 incorporated and LP fuel tube, P/N JR33021A, installed. These engines are installed on, but not limited to Fokker F.28 Mark 0100 airplanes, Supplemental Type Certificate No. SA842SW, Boeing 727 airplanes, and Gulfstream G-IV airplanes. Note 1: This AD applies to each engine identified in the preceding applicability provision, regardless of whether it has been modified, altered, or repaired in the area subject to the requirements of this AD. For engines that have been modified, altered, or repaired so that the performanceof the requirements of this AD is affected, the owner/operator must request approval for an alternative method of compliance in accordance with paragraph (f) 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: Compliance with this AD is required as indicated, unless already done. To prevent a dual-engine flameout due to fuel exhaustion which could lead to forced landing and possible damage to the airplane, do the following: Tay 620-15 and 650-15 Turbofan Engines (a) Before further flight, for Tay 620-15 and 650-15 turbofan engines, inspect LP fuel tube, P/N JR33021A, for fretting in accordance with 3.C.1. through 3.C.10. of the Accomplishment Instructions of RRD SB TAY-73-1540, Revision 1, dated September 13, 2002. (b) Thereafter, for Tay 620-15 and 650-15 turbofan engines, inspect the LP fuel tube, P/N JR33021A, for fretting in accordance with 3.C.1. through 3.C.10. of the Accomplishment Instructions of RRD SB TAY-73-1540, Revision 1, dated September 13, 2002; at intervals not to exceed 2,000 hours time-in-service (TIS) since the last inspection. Tay 611-8 and 651-54 Turbofan Engines (c) For Tay 611-8 and 651-54 turbofan engines with Part 4 of RRD service bulletin (SB) TAY-73-1194 incorporated and 4,000 or more hours TIS, within 300 hours TIS after the effective date of this AD or one month after the effective date of this AD, whichever occurs first, inspect LP fuel tube, P/N JR33021A, for fretting in accordance with 3.C.1. through 3.C.11. of the Accomplishment Instructions of RRD SB TAY-73-1553, Revision 1, dated December 13, 2002. (d) For Tay 611-8 and 651-54 turbofan engines with Part 4 of RRD service bulletin (SB) TAY-73-1194 incorporated and fewer than 4,000 hours TIS, upon reaching 4,000 hours TIS or within one month after the effective date of this AD, whichever occurs later, inspect LP fuel tube, P/N JR33021A, for fretting in accordance with 3.C.1. through 3.C.11. of the Accomplishment Instructions of RRD SB TAY-73- 1553, Revision 1, dated December 13, 2002. (e) Thereafter, for Tay 611-8 and 651-54 turbofan engines with Part 4 of RRD service bulletin (SB) TAY-73-1194 incorporated, inspect the LP fuel tube, P/N JR33021A, for fretting in accordance with 3.C.1. through 3.C.11. of the Accomplishment Instructions of RRD SB TAY-73-1553, Revision 1, dated December 13, 2002; at intervals not to exceed 2,000 hours TIS since the last inspection. Alternative Methods of Compliance (f) 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, Engine Certification Office (ECO). Operators must submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, ECO. Note 2: Information concerning the existence of approved alternative methods of compliance with this airworthiness directive, if any, may be obtained from the ECO. Special Flight Permits (g) Special flight permits may be issued in accordance with 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 done. Documents That Have Been Incorporated by Reference (h) The inspections must be done in accordance with the following Rolls-Royce Deutschland Ltd. & Co KG service bulletins (SB's): Document No Pages Revision Date SB TAY-73-1540--Total pages: 9 SB TAY-73-1553--Total pages: 10 All All 1 1 September 13, 2002. December 13, 2002. The incorporation by reference of SB TAY-73-1540, Revision 1, dated September 13, 2002, was approved by the Director of the Federal Register on December 18, 2002 (67 FR 71814; December 3, 2002). The incorporation by reference of SB TAY-73-1553, Revision 1, dated December 13, 2002, 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 Rolls-Royce Deutschland Ltd. & Co KG, Eschenweg 11, D-15827 DAHLEWITZ, Germany; telephone 49 (0) 33-7086- 1768; fax 49 (0) 33-7086-3356. Copies may be inspected at the FAA, New England Region, Office of the Regional Counsel, 12 New England Executive Park, Burlington, MA; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. Note 3: The subject of this AD is addressed in LBA airworthiness directives AD No. 2002-331, dated September 13, 2002, and AD No. 2002-358, dated November 28, 2002. Effective Date (i) This amendment becomes effective on March 26, 2003.