What was found
MCN - C21 - LEVEL 2 INTERGRANULAR CORROSION ON STRINGER BETWEEN BS 957 TO BS 977, S27R. REPAIRED STRINGER BETWEEN BS 957 TO BS 977, S27R IAW B737-300 SRM 53-00-03 FIG 201 REPAIR 1.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - C21 - LEVEL 2 INTERGRANULAR CORROSION ON STRINGER BETWEEN BS 957 TO BS 977, S27R. REPAIRED STRINGER BETWEEN BS 957 TO BS 977, S27R IAW B737-300 SRM 53-00-03 FIG 201 REPAIR 1.