As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION ON LOWER BOLT AT SLAT TRACK 7 RH WING MEASURE ARE L= 0.344 IN, W= 0.123 IN, D= 0.002 IN. MAINTENANCE REPLACED BOLT AT SLAT TRACK 7 RH WING IAW AMM 27-84-65-400-002-A AND JOB CARD 26C61057005 STEP 6.A(3) .