SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 6-K REPORT OF FOREIGN ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 OF THE SECURITIES EXCHANGE ACT OF 1934 For the month of October 2004 (Commission File No. 1-14728) Lan Airlines S.A. (Translation of registrant's name in English) Avenida Americo Vespucio Sur 901 Renca, Santiago, Chile (Address of Principal Executive Offices) (Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.) Form 20-F X Form 40-F --- --- (Indicate by check mark whether the registrant by furnishing the information contained in this form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.) Yes No X --- ---MATERIAL FACT ------------- Santiago, October 14, 2004 Mr. Alejandro Ferreiro Y. Superintendent of Securities and Insurance Present - ------- To whom it may concern: In accordance with Article 9 and the second paragraph of Article 10 of Law 18,045, I inform you of the temporary suspension of the domestic and international operations of our subsidiary Lan Peru S.A. This suspension was ordered by the judge of the Fourth Civil Court of Arequipa, Peru, and will become effective at 0:00 hrs. on October 15, 2004. Considering the contingency plans implemented and foreseeing a possible suspension of five days, we estimate that the impact of this situation on our results will not be significant. Sincerely, Alejandro de la Fuente Vice President of Finance Lan Airlines S.A. cc. Bolsa de Comercio de Santiago Bolsa de Comercio de Valparaiso Bolsa Electronica de Chile SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. Date: October 15, 2004 Lan Airlines S.A. /s/ Alejandro de la Fuente Goic ------------------------------- By: Alejandro de la Fuente Goic Chief Financial Officer