As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HORIZONTAL STAB, I/B OF AFT SPAR, LOWER CORD ATTACHMENT FITTING AFT FACE HAS A LARGE AREA OF EXFOILIATINIG CORROSION. GROUNDED - YES. REMOVED CORROSION AND SUBMITTED TO ENGINEERING FOR DISPOSITION, REPAIRED CHORD LUG IAW EA CMPT-55EA-30655.W=1" O=2.046" R= 1.846" L=3" D= .200".