Troubleshooting

Troubleshooting on aircraft.
Autoflight (AP/FD), Communication (VHF/HF COMM, Audio, P/A), Navigation (VOR, ILS, EFIS, INSTRUMENTS, TCAS, DME, ATC, ADF, EGPWS, TAWS, WXR, FMS, ADC, AHRS, ADIRU, Compass) Indication, Light and Electrical systems