AD 93-01-20

93-01-20 BEECH AIRCRAFT CORPORATION: Amendment 39-8474. Docket No. 92-CE-42-AD. Supersedes AD 89-22-12, Amendment 39-6351.

Applicability: Model 300 airplanes (serial numbers FA-2 through FA-211 and FF-1 through FF-19), certificated in any category.

Compliance: Required as indicated, unless already accomplished (compliance with superseded AD 89-22-12).

To prevent separation of an aft cowling door, which could result in occupant injury if decompression or structural damage occurs, accomplish the following:

(a) Within the next 25 hours time-in-service (TIS) after the effective date of this AD, inspect the upper aft cowling access door latches for proper tension and total engagement of the adjusting bolts and striker plates in accordance with Part I of the ACCOMPLISHMENT INSTRUCTIONS section of Beech Service Bulletin (SB) No. 2329, dated August 1989, revised February 1991.

(1) If improper tension is found, prior to further flight, adjust the cowling door latch in accordance with Beechcraft Super King Air 300 Maintenance Manual, Chapter 71-10.

(2) If the adjusting bolts and striker plates do not totally engage, prior to further flight, modify the cowling door in accordance with Beechcraft Safety Communique No. 300-75.

(b) Within the next 50 hours TIS after the effective date of this AD, accomplish one of the following:

(1) Modify the cowlings to provide upper aft cowling access door retention in accordance with Part II of the ACCOMPLISHMENT INSTRUCTIONS section of Beech SB No. 2329, dated August 1989, revised February 1991; or

(2) Install cowling door latch replacement Kit No. 101-9052-1 S in accordance with Part III of the ACCOMPLISHMENT INSTRUCTIONS section of Beech SB No. 2329, dated August 1989, revised February 1991.

(c) If the requirements of paragraphs (a), (a)(1), (a)(2), and (b)(1) were previously accomplished (compliance with superseded AD 89-22-12) in accordance with Beech SB No. 2329, dated August1989, then no further action is required by this AD.

(d) Special flight permits may be issued in accordance with FAR 21.197 and 21.199 to operate the airplane to a location where the requirements of this AD can be accomplished.

(e) An alternative method of compliance or adjustment of the compliance time that provides an equivalent level of safety may be approved by the Manager, Wichita Aircraft Certification Office, FAA, 1801 Airport Road, Room 100, Wichita, Kansas 67209. The request shall be forwarded through an appropriate FAA Maintenance Inspector, who may add comments and send it to the Manager, Wichita Aircraft Certification Office.

NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Wichita Aircraft Certification Office.

(f) The inspection and modification or installation required by this AD shall be done in accordance with Beech Service Bulletin No. 2329, dated August 1989,revised February 1991. 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 the Beech Aircraft Corporation, P.O. Box 85, Wichita, Kansas 67201-0085. 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.

(g) This amendment (39-8474) supersedes AD 89-22-12, Amendment 39-6351.

(h) This amendment becomes effective on March 10, 1993.