As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING APPROACH DESCENT AT APPROX 5000 FT WITH GEARS DOWN, HAD EICAS CAUTION MSG GEAR DOORS AND DOORS LIGHT ILLUM. REPLACED BOTH PROX SENSORS S238 AND S260 AND RESHIMMED S260. PROBLEM CONTINUED. PINNED GEAR & JACKED AC. FOUND LT MLG DOOR ACTUATOR BELL CRANK WITH NO GAP. ADJUSTED TO PROPER GAP. GEAR DOORS OP CHECKED NORMALLY. AC RETURNED TO SERVICE