As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON LT Z CHANNEL IN SEVERAL SPOTS BETWEEN BS 500 + 10 AND BS 500C APPROX AT LBL 22. REMOVED + INSTALLED ONE SECTION NEW AT 'Z' CHANNEL (SIDEPLATE) AND SPLICE BETWEEN STA 483 TO 500D AND TREATED REPAIR PARTS IN REF SRM 53-00-53-2R-5 REPAIR 5 FIG 202 PAG 4; 51-20-01-0G-0.