As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON STRINGER AT AFT FUSELAGE OUTFLOW VALVE CUT-OUT AREA , FR65 STRINGER 31R. REMOVED AND INSTALLED OUTFLOW VALVE IAW AMM 21-31-51 OPS TEST GO OD IAW AMM 21-31-00-710. BLENDED AREA ON S31R FR65 IAW SRM 51-74 -00 L=4.110" W=0.940" ORIGINAL THICKNESS 0.157" NO ESTABLISHED L IMIT D=0.067" REMOVED AND REPLACED S31R FR64-FR67 IAW SRM 51-42- 11. EMP: V934143 WC: 0014879 STA: ST ENGINEERING BFM