As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SUPPORT TASK: MAIN CABIN STA 947-967 AT L-2 DOOR INTERCOSTAL HAS CORROSION. TRANSCRIBED FROM HAECO GSO NRC 9280230. REMOVED AND REPLACED CORRODED INTERCOSTAL AT STA 947-967 L2 DOOR NEW NEW INTERCOSTAL PN 147A5660-21 IAW B737NG AIPC 53-42-51-25B AND BAC DWG 147A5650 REV A. HAECO GSO MECH V943064