Airworthiness directives › 2004-03-28
AD 2004-03-28 Airworthiness Directives; Bombardier Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 Airplanes
Models named: DHC-8-102, -103, -106, -201, -202, -301, -311, -315. Read the applicability below — it usually turns on serial or part numbers too.
Applicability*9
Model DHC-8-102, -103, -106, -201, -202, -301, -311, and -315 airplanes; serial numbers 003 through 580 inclusive; certificated in any category.
Compliance
Required as indicated, unless accomplished previously. To prevent separation of the screws in the autopilot clutch assembly of the SM-300 servo, which could result in uncommanded engagement of the autopilot servo and consequent reduced controllability of the airplane, accomplish the following: One-Time Inspection/Follow-on Corrective Action, if Necessary (a) Within 12 months after the effective date of this AD: Do a general visual inspection to determine the serial numbers of the elevator and aileron servo drive assemblies of the automatic flight control system per paragraphs III.1. and III.2. of the Accomplishment Instructions of Bombardier Alert Service Bulletin A8-22-18, Revision ‘B’, dated November 19, 2001. Note 1: For the purposes of this AD, a general visual inspection is defined as: “A visual examination of an interior or exterior area, installation, or assembly to detect obvious damage, failure, or irregularity. This level of inspection is made from within touching distance unless otherwise specified. A mirror may be necessary to enhance visual access to all exposed surfaces in the inspection area. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight, or droplight and may require removal or opening of access panels or doors. Stands, ladders, or platforms may be required to gain proximity to the area being checked.” (1) If any elevator or aileron servo, part number (P/N) 7002260-922, or any aileron servo, P/N 7002260-923, with serial numbers 4826 through 5935 inclusive, is found: Before further flight, do all the follow-on actions per paragraphs III.3. and III.4. of the Accomplishment Instructions of Bombardier Alert Service Bulletin A8-22-18, Revision “B”, dated November 19, 2001; and per paragraphs 3.A. through 3.F. of the Honeywell Accomplishment Instructions specified on pages 14 through 17 of the Bombardier service bulletin. (2) If no serial number specified in paragraph (a)(1) of this AD is found, no further action is required by this paragraph. Part Installation (b) As of the effective date of this AD, no person may install an elevator or aileron servo, P/N 7002260-922, or an aileron servo, P/N 7002260-923, with serial numbers 4826 through 5935 inclusive, on any airplane. Note 2: Although Bombardier Alert Service Bulletin A8-22-18, Revision “B”, dated November 19, 2001, specifies accomplishment of concurrent requirements, this AD does not include those requirements. Alternative Methods of Compliance (c) In accordance with 14 CFR 39.19, the Manager, New York Aircraft Certification Office, FAA, is authorized to approve alternative methods of compliance for this AD. Incorporation by Reference (d) The actions shall be done in accordance with Bombardier Alert Service Bulletin A8-22-18, Revision ‘B’, dated November 19, 2001. 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 Bombardier Regional Aircraft Division, 123 Garratt Boulevard, Downsview, Ontario M3K 1Y5, Canada. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the FAA, New York Aircraft Certification Office, 1600 Stewart Avenue, Westbury, New York; 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 Canadian airworthiness directive CF-2001-40, dated November 9, 2001. Effective Date (e) This amendment becomes effective on March 17, 2004. Issued in Renton, Washington, on February 3, 2004. Ali Bahrami, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-2681 Filed 2-11-04; 8:45 am] BILLING CODE 4910-13-P
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The directive text above is reproduced from the Federal Register, a work of the United States government and in the public domain. The separation into applicability, compliance and required actions is TrackAD's.*1