What was found
THE HF ANTENNAE IS DETACHED FROM THE VERTICAL STABILIZER AND IS HANGING FROM TOP OF FUSELAGE. TECH DISCOVERED DAMAGE TO TAILCONE WHILE PERFORMING MEL PROCEDURE. REMOVED HF ANTENNA SUPPORT SLEEVE & ELBOW AND INSTALLED HF ANTENNA, HF ANTENNA SUPPORT SLEEVE, ELBOW, AND APPROVED ALTERNATE PN HF ANTENNA TENSION UNIT. OPS CHECKS NORMAL. COMPLETED REPAIR PROCEDURE FOR DAMAGE AREA 3, 5 AND 6 STEPS 1-5. COMPLIED WITH ERO 851404, REV IR TAIL CONE REPAIR PROCEDURES FOR DAMAGE AREAS 1, 2, 4 STEPS 5-9. COMPLIED WITH REPAIR PROCEDURES FOR DAMAGE AREAS 3, 5, 6 STEPS 6-9. REINSTALLED TAIL CONE, WORK PERFORMED IN REF WITH MM 53-10-15. PARTS REPLACED: TENSION UNIT ANTENNA, PN: 5ARM300-11C-5LN, ELECTRIC CABLE, PN: 14379-