As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AUTO COARSENING LOW LIGHT ILLUMINATES INTERMITTENTLY. DURING OPS CHECK OF AUTO COARSEN SYSTEM IAW AMM 61-22-00-05-2 FOUND FAULTY AUTO COARSEN SWITCH. SWITCH IS AOG WRITE UP REMAINS OPEN. REMOVED AND REPLACED AUTOCOARSEN SWITCH ON OVERHEAD PANEL IAW AMM 20-10-00. OPS CHK OK, P/N ON AND OFF MS25308-232.