0001193125-17-257585 6-K 2 20170815 20170815 20170814 Avianca Holdings S.A. 0001575969 4512 000000000 R1 1231 6-K 34 001-36142 171032263 AVENIDA CALLE 26 #59 - 15 BOGOTA F8 NONE 57 1 587-7700 AVENIDA CALLE 26 #59 - 15 BOGOTA F8 NONE 6-K 1 d432528d6k.htm FORM 6-K EX-99.1 2 d432528dex991.htm EX-99.1