What was found
AFTER PUSHBACK, T/R UNIT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED FIM 24-31, TASK 826 T/R UNIT LIGHT, FAULT ISOLATION. FOUND 29 VOLTS ON THE T-3 SWITCH, BUT 0 AMPS. LIGHT STAYED ON. R & R LRU TR3, REF AMM 24-32-11-040-801 AND 24-32-11-440-801 INSTALL. R & R ORIGINAL LRU T3 SAME AMM REF PERFORMED FIM TASK 24-31, TASK 826, AGAIN, PERFORMED ELECTRIC LIGHT MESSAGE BITE TEST. NO FAULTS STORED. ALL VOLTAGES & AMPERES RESTORED AND FAULT RESET. TRU UNIT LIGHT EXTINGUISHED. NO FAULTS NOTED. OPS CHECKS NORMAL.