As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LH SLAT TRACK #4 RACK TEETH (2EA) HAS EVIDENCE OF CORROSION. REF 5742-01028-02A LIAISON ENGINEERING SUPPORT WILL BE REQUIRED BEFORE FURTHER FLIGHT. COMPLIED WITH PRI #621381-14 REV 0, NO CRACKS FOUND (854489) AND ER/A 621381-14 REV ORIGINAL MATCHES. (LP# 0592568)