What was found
LEFT GEN LOW OIL PRESSURE. DISCONNECTED LEFT GEN ON DESCENT. T/S NBR 1 ENG LVFG FAULT CODE 2421F0015 PER A220 EFIM SOLUTION # 2-29493 FAULT RESET. SERVICED NBR 1 ENG VFG TO FULL. PERFORMED OPS TEST OF LEFT VFG PER A220 AMP BD500-A-J24-21-01-01AAA-320A-A . CK GOOD. NO FAULT. REPLACED #1 ENG VFG PER A220 AMP 24-21-01. PERFORMED VFG OPS TEST PER A220 AMP 24-21-01. PER EFIM SOLUTION #2-29493. VFG OPS TEST GOOD. FAULT MSG GONE. OK FOR SVC. (LP# 8319604)