F/A of PCBAs Failure Analysis of PCBAs Printed Circuit Board Assemblies (PCBAs) Failures seen in printed circuit board assemblies (PCBAs) are shown below. electronic component f/a failure analysis services Other device failure analysis information: Capacitors Resitors Inductors Diodes Transformers LEDs ICs PWBs BGAs pcbas TSOP solder corrosion. Rework damage of PTH. QFN heatsink voids. Fractured trace. Un-solderable pins. Corrosion shorts signals. Electromigration short on PCBA.