As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK MAINTENANCE FOUND CORROSION DAMAGE AFT WET AREA ON INTERCOSTAL SPLICE AT FRAME 90 BETWEEN TRACK BEAMS. REMOVED AND REPLACED AFT WET AREA ON INTERCOSTAL SPLICE AT FRAME 90 BETWEEN TRACK BEAM REF SRM 51-40-02, 51-40-08, APPLIED TOP COAT AT NEW AFT WET AREA ON INTERCOSTAL SPLICE AT FRAME 90 BETWEEN TRACK BEAM REF SRM 51-23-06. A/C REMAINS IN CHECK.