What was found
NR 1 SOURCE OFF LIGHT ILLUMINATED ON GROUND WITH APU ON BUSS. ACFT GROUNDED. PERFORMED FIM TASK 24-21-823. CYCLED POWER FROM GROUND POWER BACK TO APU. OPS NORMAL. NR 1 SOURCE OFF LIGHT EXTINGUISHED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
NR 1 SOURCE OFF LIGHT ILLUMINATED ON GROUND WITH APU ON BUSS. ACFT GROUNDED. PERFORMED FIM TASK 24-21-823. CYCLED POWER FROM GROUND POWER BACK TO APU. OPS NORMAL. NR 1 SOURCE OFF LIGHT EXTINGUISHED.