System information necessary to support in depth trouble-shooting as outlined in the manufacturer's maintenance manuals;

All Course Objectives contained in Level 1 and Level 2 courses and perform all Level 2 Ramp and Transit checks to the same level of proficiency;

Recognize normal condition of components and systems during "B", "C",and "D" checks.

Use Maintenance Manual & Fault Isolation Manual to determine the cause of faults when given an: Uncleared PIREP, deferral, faults discovered during routine maintenance, indicate appropriate action.

Describe any unique maintenance procedure or special equipment required during routine maintenance, troubleshooting, removal or installation of any Line Replaceable Unit or System;

Indicate which LRUs must be removed and installed and/or adjustments when given a diagnosed fault and indicate appropriate operational / functional check to verify system operation.