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 AFT WET AREA ON RH DOUBLER AT FRAME 84. REMOVED DAMAGED RH DOUBLER AT FRAME 84(AFT WET AREA). LOCATED, DRILLED AND INSTALLED NEW RH DOUBLER AT FRAME 84(AFT WET AREA). SURFACE PROTECTION APPLIED. REF. SRM 51-40-08 A/C REMAINS IN CHECK.