What was found
MCN - MAJOR REPAIR - "C" - DURING INSPECTION SKIN WAS FOUND DAMAGED BETWEEN BS 900 AND BS 907, STR 26R AND STR 26L. MAINTENANCE REMOVED DAMAGED AREA OF SKIN AND PERFORMED A HFEC INSPECTION TO VERIFY NO CRACKS. FABRICATED A REPAIR DOUBLER AND FILLER AND INSTALLED REPAIRS IAW B737-300 SRM 53-00-01, PG 314-319, SRM 51-20-01, PG 10-47, AND SRM 51-40-02 PG 3, 4, & 38.