As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND AROUND FASTENER HEAD BETWEEN STA 986 AND 1006 BELOW STRINGER 24L APPROX. LBL 25 NEAR DRAIN MAST FITTING / REMOVED AFT DRAIN MAST PER AMM 38-31-01-000-801. REMOVED AND REPLACED NEW DRAIN MAST FITTING PER SRM 51-40-02 AND DWG #147A7443. INSTALLED DRAIN MAST AFTER REPAIR COMPLETION PER AMM 38-31-01-400-802. PERFORMED OPERATIONAL TEST; NO FAULTS NOTED PER AMM 30-71-00-720-801.