As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ARRIVAL WHEN THE LANDING GEAR HANDLE WAS SELECTED DOWN. THE GEAR DID NOT EXTENT. AFTER 20 SECONDS THE GEAR HANDLE WAS CYCLED FROM DOWN TO UP, TO DOWN. AFTER 20 SECONDS THE GEAR EXTENDED NORMALLY. T/S IAW TSM 32-31-00-810-808-A. NO PROX SENSOR FAULTS ON PFR. NO DEFECTS DURING INSPECTION. FOUND L/G SAFETY VALVE 49GA CONNECTOR AND RECEPTACLE CONTAMINATED. CLEANED CONNECTOR AND RECEPTACLE. NO FAULTS ON LGCIU 1+2 AND BSCU 1+2. NO ADIRS FAULTS . NOTIFIED MCC. (LP: 7982542)