As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NOSE GEAR DOWN AND LOCK LIGHT ON S/O PANEL DID NOT ILLUMINATE WHEN GEAR EXTENDED. ABNORMAL PROCEDURE COMPLETED. WHEN BELOW 500 FT AGL GPWS "TOO LOW", GEAR WARNING SOUNDED. CLEAN PROXIMITY SENSORS AT NOSE GEAR AND FOUND GREASE ON SENSORS. PERFORMED BITE TEST IAW AMM 32-30-00 NPF. VERIFIED GPWS BOX SECURED. TEST NORMAL PER AMM 34-48-00.