Section I. GENERAL INFORMATION

TM 1–1520–238–T–2 1–2 Change 6 Section I. GENERAL INFORMATION 1–1. SCOPE 1–1 This volume provides an alphabetical master failure symptom index to aid in isolating and locating AVUM and/or AVIM maintenance procedures to be used on the helicopter. 1–2. MAINTENANCE FORMS, RECORDS, AND REPORTS 1–2 Equipment maintenance forms for the Department of the Army will be those prescribed by DA PAM 738–751, Functional Users Manual for the Army Maintenance Management System–Aircraft (TAMMS–A). 1–3. DESTRUCTION OF ARMY MATERIAL TO PREVENT ENEMY USE 1–3 Required destruction procedures are in TM 750–244–1–5. 1–4. QUALITY ASSURANCE/QUALITY CONTROL (QA/QC) 1–4 Required quality assurance information is explained in FM 55-411. 1–5. DEFICIENCY REPORTING 1–5 If your helicopter needs correction or improvement, let us know. Send us a Deficiency Report. You, the user, are the only one who can tell us what you don’t like about your equipment. Let us know what you don’t like about the design. Put it on a SF 368 (Deficiency Report). Mail it to us at: Commander, U.S. Army Aviation and Missile Command, Attn: AMSAM-MMC-RE-FD, Redstone Arsenal, AL 35898-5230. A reply will be furnished to you. Section II. HOW TO USE THIS MANUAL 1–6. FUNCTION OF EACH VOLUME OF THE MANUAL 1–6 There are ten volumes in this manual, TM 1–1520–238–T–1 through TM 1–1520–238–T–10. NOTE Use volume TM 1–1520–238–T–2 first when troubleshooting. a. TM 1–1520–238–T–1, Fault Detection/Location System (FD/LS). TM 1–1520–238–T–1 is a kneepad–sized volume which integrates all FD/LS checks, power up and power down procedures, auxiliary power unit (APU) operating and emergency procedures, and references to the appropriate volume(s) to aid in fault isolation.