What was found
DURING HEAVY CHECK, STRINGER 20L BETWEEN FRAME 83-84 IS CORRODED. MAINTENANCE REPAIRED STR 20L BETWEEN FRAME 83-84 IAW ETD 2016-170-015191A.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, STRINGER 20L BETWEEN FRAME 83-84 IS CORRODED. MAINTENANCE REPAIRED STR 20L BETWEEN FRAME 83-84 IAW ETD 2016-170-015191A.