As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH 6500 MISCONFIG / OVERSPEED HORN SOUNDED, AIRCRAFT WAS IN CLEAN CONFIGURATION (FLAPS AND GEAR UP) AND SPEED WAS ABOUT 230 KIAS. WT ON WHEEL CAUTION ILLUMINATED SHORTLY AFTER HORN. ALL OTHER INDICATIONS NORMAL. UPON GEAR EXTENSION FOR LANDING WT ON WHEELS CAUTION EXTINGUISHED. RETURNED TO FIELD. REMOVED FROM SERVICE. INTERROGATED PSEU AFTER ARRIVAL OF AC AT GATE. FOUND FAULT IN CURRENT FAULTS MENU NGWOFW2 FAULT, PROX SENSOR OPEN. REPLACEMENT OF NLG WOW HARNESS. ERASED PSEU FAULT HISTORY. AIRCRAFT RETURNED TO SERVICE.