What was found
MAIN CABIN AFT PASSENGER ENTRY DOOR CUTOUT, LOWER SILL AREA AT FWD CORNER HAS CORROSION. GROUNDED - YES. REMOVED CORROSION IAW B737-800 SRM 51-10-02. LOWER SEAL AREA ORIG THICK 0.080 REMOVED 0.002 REMAINING THICK 0.078 IN LIMITS IAW B737-800 SRM 53-70-15-1A-1 AND B737-800 SRM 53-70-15-01-1 ALODINED AREA IAW B737-800 SRM 51-20-01. PRIMED AREA IAW BOEING SOPM 20-41-02. MARKED BLENDED AREA IAW B737-800 AMM PGBLK 51-05-01