# AD 93-18-04: Fuselage Frame Inspection - Type: Airworthiness directive - Status: Historical - Products: ATR GIE Avions de Transport R gional ATR42-300 and ATR42-320 - Effective: November 18, 1993 - Superseded by: [AD 2000-05-26](https://openairdocs.org/ad/2000-05-26) - Product type: Aircraft, Large airplane - Amendment: 39-8689 - Docket: 93-NM-47-AD - Registered aircraft: 20 may be affected, by airframe or engine model (OpenAirDocs) - FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/39C4933BBB75787886256982006FFF85.0001 - DRS record last changed: August 7, 2025 - Page: https://openairdocs.org/ad/93-18-04 ## The airworthiness directive 93-18-04 AEROSPATIALE: Amendment 39-8689. Docket 93-NM-47-AD. Applicability: Model ATR42-300 and ATR42-320 series airplanes, certificated in any category, and having the following serial numbers: 005 through 016, inclusive; 018 through 030, inclusive; 032 through 036, inclusive; 038; 040; 042; 043; 048 through 062, inclusive; 064 through 090, inclusive; 092 through 094, inclusive; and 096 through 228, inclusive. Compliance: Required as indicated, unless accomplished previously. To prevent loss of strength of the fuselage frames, accomplish the following: (a) Prior to the accumulation of 18,000 total landings, or within 100 landings after the effective date of this AD, whichever occurs later, conduct a general visual inspection of fuselage frames 25 and 27 to verify the proper installation of a rivet in each of the key holes, in accordance with Aerospatiale Service Bulletin ATR42-53-0070, dated June 10, 1991; Revision 1, dated June 12,1992; or Revision 2, dated March 22, 1993. (b) If a rivet is installed in each of the key holes, no further action is required by this AD. (c) If a rivet is not installed in a key hole, prior to further flight, perform an eddy current inspection of the open key hole to detect cracks, in accordance with the service bulletin. (1) If no cracks are found as a result of the eddy current inspection, prior to further flight, install a rivet in the open key hole in accordance with the service bulletin. After such installation, no further action is required by this AD. (2) If cracks are found as a result of the eddy current inspection, prior to further flight, repair the cracks in accordance with a method approved by the Manager, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. (d) 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, Standardization Branch, ANM-113, FAA, Transport Airplane Directorate. Operators shall submit their requests through an appropriate FAA Principal Maintenance Inspector, who may add comments and then send it to the Manager, Standardization Branch, ANM-113. NOTE: Information concerning the existence of approved alternative methods of compliance with this AD, if any, may be obtained from the Standardization Branch, ANM-113. (e) 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. (f) The inspections and installation shall be done in accordance with the following Aerospatiale service bulletins, which contain the specified effective pages: Service Bulletin Referenced and Date Page Number Revision Level Shown on Page Date Shown on Page ATR42-53-0070 (Original) June 10, 1991 1-13 Original June 10, 1991 ATR42-53-0070 Revision 1 June 12, 1992 1-7,9-12 8 1 Original June 12, 1992 June 10, 1991 ATR42-53-0070 Revision 2 March 22, 1993 1-2, 9-10 3-7, 11-12 8 2 1 Original March 22, 1993 June 12, 1992 June 10, 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 Aerospatiale, 316 Route de Bayonne, 31060 Toulouse, Cedex 03, France. Copies may be inspected at the FAA, Transport Airplane Directorate, 1601 Lind Avenue, SW., Renton, Washington; or at the Office of the Federal Register, 800 North Capitol Street, NW., suite 700, Washington, DC. (g) This amendment becomes effective on November 18, 1993. ## Affected data sheets (1) (OpenAirDocs) The type certificate data sheets whose models the AD names. - [TCDS A53EU](https://openairdocs.org/tcds/A53EU): ATR – GIE Avions de Transport Régional; names 2 of 11 models: ATR42-300, ATR42-320 ## Registered aircraft it may apply to (OpenAirDocs) Matched by airframe and engine model; the AD's applicability may narrow it by serial number, part number or equipment. - Aircraft: 20 (20 by airframe model, 0 by engine model) - Makers: Aerospatiale/Aeritalia 16, Aerospatiale/Alenia 2, Atr-Gie Avions De Transport 1, Atr-Gie Avions De Trnsp Rgnl 1 Models with the most aircraft: - [Aerospatiale/Aeritalia ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300): 12 aircraft (airframe model) - [Aerospatiale/Aeritalia ATR 42-320](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-320): 4 aircraft (airframe model) - [Aerospatiale/Alenia ATR 42-320](https://openairdocs.org/model/aerospatiale-alenia-atr-42-320): 2 aircraft (airframe model) - [Atr-Gie Avions De Transport ATR-42-320](https://openairdocs.org/model/atr-gie-avions-de-transport-atr-42-320): 1 aircraft (airframe model) - [Atr-Gie Avions De Trnsp Rgnl ATR 42-300](https://openairdocs.org/model/atr-gie-avions-de-trnsp-rgnl-atr-42-300): 1 aircraft (airframe model) All 5 models: https://openairdocs.org/ad/93-18-04/models.md Every aircraft: https://openairdocs.org/ad/93-18-04/aircraft.md ## Related documents - [AD 2000-05-26](https://openairdocs.org/ad/2000-05-26) (historical): Cargo Door Hinges · ATR GIE Avions de Transport R gional ATR42-200, ATR42-300 and ATR42-320. Effective Apr 26, 2000. Supersedes this AD Its text cites no advisory circulars or STCs. --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.