As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SIDE CARGO DOOR WARNING LIGHT ILLUMINATED WITH P4 CAUTION LIGHT. MX PRESSURIZED A/C TO GROUND LIMIT AND UNABLE TO DUPLICATE FAULT. IN PROGRESS CHECKING INTEGRITY OF ALL SWITCH CIRCUITS AND CHECKING ADJUSTMENT PER AMM, PLANNED TO REPLACE LOWER SILL SWITCH AND FOUND STRIKER PLATE FOR SWITCH MISSING. INSTALLED NEW STRIKER PLATE PER B747 MM 20-51-01 AND SB 52-2224. ADJUSTMENT AND OPS CHECK GOOD PER B747 MM 52-71-01 AND 52-71-00.