As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TECH SUPPORT UPDATE ON A LEVEL C REPEAT CHRONIC NGS DEGRADED W/PRIOR HISTORY OF A 63 FAULT ASM FAULTING BUT LOW HIGH FLOW TEST OK AND W/ASM NEWER STYLE AND FAIRLY LOW HRS 14K. FOUND NO SIGNS OR ODORS OF FUEL. R & R NGS OXY SENSOR IAW AMM 47-42-03/401. ELEC & SYS TEST PASSED. AFTER INSPECTION FOR FUEL CONTAMINATION OF CHECK VALVE, SECURED AND TORQUED THE CHECK VALVE IAW AMM 47-21-04.