What was found
CORROSION EXTERNAL SKIN HORIZONTAL STABILIZER LOC. REAR SPAR BTW RIB 1 L AND RIB 1R AT HORIZONTAL. COMPLIED WITH ER/A 637153-14 (1847862)(AIRCRAFT GROUNDED)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORROSION EXTERNAL SKIN HORIZONTAL STABILIZER LOC. REAR SPAR BTW RIB 1 L AND RIB 1R AT HORIZONTAL. COMPLIED WITH ER/A 637153-14 (1847862)(AIRCRAFT GROUNDED)