What was found
DURING C-CHECK, LOWER FUSELAGE HAS BULGING SKIN AT BS 1050 AND STRINGER R28. CUT OUT DAMAGED STRINGER 35 IAW B-727 SRM 53-10-3. REMOVED CORROSION ON INNER SKIN AT STATION 1050, STRINGER 28R, FOUND TO BE OUT OF LIMITS AS PER B-727 SRM 51-10-6. CUT OUT CORRODED AREA AT LOWER SKIN AT BS 1050 STRINGER R28 IAW B-727 SRM 53-30-3. INSTALLED STRINGER IAW B-727 SRM 53-10-3 AND FUSELAGE DOUBLER REPAIR AS PER B-727 SRM 53-30-3.