As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON THE LT DOUBLER BETWEEN FR19 - FR20 AND STR 16R -STR 17R. REMOVED AND INSTALLED NEW LT DOUBLER BETWEEN FR19 - FR20 AND STR 16R -STR 17R REF SRM 51-41-02 SRM 51-43-04 DOUBLER PN 170-07311-001. SEE W/O H5692 SEQ 1544 SN 154 FOR WORK DETAILS. AIRCRAFT REMAINS IN HEAVY CHECK.