What was found
STA. 540, L/H SIDE, LOWER T-CHORD, BETWEEN S-22L & S-23L HAS CORROSION. GROUNDED - YES. REPAIRED THE LOWER BULKHEAD CHORD AND FORWARD SPAR WEB ASSEMBLY IAW ASA EA #900-53EA-17237 REV OO AND HAECO REO-G19936 REV E. STR -26L IS A CATEGORY "A" REPAIR AS DEFINED IN B737-900 SRM 51-00-06 STAGE 1 APPROVAL FOR STATIC STRENGTH. A NEW FAA FORM 8100-9 MUST BE ISSUED AND DAMAGE TOLERANCE INFORMATION INCORPORATED IN THE AIRPLANE MAINTENANCE PROGRAM WITHIN 24 MONTHS OF 06/03/2016 FOR THIS REPAIR APPROVAL TO REMAIN VALID AFTER THAT TIME.