What was found
DURING HEAVY CHECK, LT Y=-10-748 UPPER SHEET FRAME 85-86 IS CORRODED. MAINTENANCE R & R LT Y=-10-748 UPPER SHEET FRAME 85-86 IAW SRM 170/175 51-40-02, 51-41-01, 51-43-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, LT Y=-10-748 UPPER SHEET FRAME 85-86 IS CORRODED. MAINTENANCE R & R LT Y=-10-748 UPPER SHEET FRAME 85-86 IAW SRM 170/175 51-40-02, 51-41-01, 51-43-01.