What was found
THE CREW REPORTED A AMBER TAIL DEICE FAIL LT & RT LIGHT ILLUMINATED. UPON FURTHER INVESTIGATION BOTH HORIZONTAL STABILIZER DE-ICE BOOTS WERE FOUND DAMAGED WITH A SINGLE CUT, APPROXIMATELY 10" FROM THE ROOT STOPPING SHORT APPROXIMATELY AN INCH FROM THE TIP OF THE BOOT. THE DAMAGE IS ALMOST A KNIFE LIKE SLIT IN THE BOOT LOCATED ABOUT 1" TO 2" BELOW AND AFT OF THE HORIZONTAL STAB L/E CENTER LINE. THE PN OF THE REMOVED BOOTS: LT BOOT PN 29S-4D5280-01, SN MYFVOOO, RT P/N 29S-4D5280-02, SN MYFGWWO.