What was found
WHILE IN HVY MX CHECK - AFT WET AREA RH GUSSET PLATE AT FR 90 IS CORRODED AS MARKED. REMOVED AND REPLACED GUSSET PLATE AT FR90 REF. E175 SRM 51-41-02 P/N 170-60259-001
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN HVY MX CHECK - AFT WET AREA RH GUSSET PLATE AT FR 90 IS CORRODED AS MARKED. REMOVED AND REPLACED GUSSET PLATE AT FR90 REF. E175 SRM 51-41-02 P/N 170-60259-001