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98-03-14 EXTRA FLUGZEUGBAU GMBH: Amendment 39-10307; Docket No. 97-CE-85-AD.
Applicability: The following models and serial number airplanes, certificated in any category:
Model
Serial Numbers
EA-300
V1 and 01 through 50
EA-300/S
01 through 17
NOTE 1: This AD applies to each airplane 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 airplanes 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 (d) 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 as indicated in the body of this AD, unless already accomplished.
To prevent structural damage to the fuselage caused by cracks in the upper longeron cutout bridge, which, if not detected and corrected, could result in loss of control of the airplane, accomplish the following:
(a) Upon accumulating 1,000 hours time-in-service (TIS) on the upper longeron or within the next 100 hours TIS after the effective date of this AD, whichever occurs later, inspect the upper longeron cutout bridge for cracks in accordance with the Instructions section of EXTRA Service Bulletin No. 300-3-93, dated January 12, 1994.
(b) Prior to further flight after the inspection required by paragraph (a) of this AD, accomplish the following in accordance with the Instructions section of EXTRA Service Bulletin No. 300-3-93, dated January 12, 1994:
(1) Repair any cracks found in the upper longeron cut-out bridge; and
(2) Modify the upper longeron cut-outbridge.
(c) 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 airplane to a location where the requirements of this AD can be accomplished.
(d) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Small Airplane Directorate, FAA, 1201 Walnut, suite 900, Kansas City, Missouri 64106. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and then send it to the Manager, Small Airplane Directorate.
NOTE 2: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Small Airplane Directorate.
(e) Questions or technical information related to EXTRA Service Bulletin No. 300-3-93, dated January 12, 1994, should be directed to EXTRA Flugzeugbau GmbH, Flugplatz Dinslaken, 46569 H nxe, Germany. This service information may be examined at the FAA, Central Region, Office of the Regional Counsel, Room 1558, 601 E. 12th Street, Kansas City, Missouri.
(f) The inspections, repairs, and modifications required by this AD shall be done in accordance EXTRA Service Bulletin No. 300-3-93, dated January 12, 1994. 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 EXTRA Flugzeugbau GmbH, Flugplatz Dinslaken, 46569 H nxe, Germany. Copies may be inspected at the FAA, Central Region, Office of the Regional 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.
NOTE 3: The subject of this AD is addressed in German AD No. 94-043, dated October 21, 1994.
(g) This amendment (39-10307) becomes effective on March 16, 1998.
