As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DME AND GS INDICATIONS FAILED IN FLIGHT. TRIED GNV, OCF, LAL BUT NO DME. DURING RTB, DME AND GS CAME BACK INTERMITTENT. SUPPLEMENTAL INFORMATION, PERFORMED GPS ADJUSTMENT TEST IAW EA 500 AMM 34-50-10. NO DEFECTS NOTED AT THIS TIME. PERFORMED A/C TAXI AND VERIFIED GROUND SPEED INDICATION ON BOTH PFD'S IAW EA500 AMM 9-20-00.