(2) Remove dust and dirt from the air filter using a vacuum source.
(3) Close front panel and fasten by tightening the three screws.
c. Remove dust and dirt from insert/contact area of cable assembly connectors and LRU interface connectors
using a small soft-bristled brush.
Testing must be performed after troubleshooting and repair to verify that the repair action has corrected the fault.
Test verification may be either by: 1) operator observation that the observed symptom has been eliminated, or 2)
performing self test of the applicable component(s).