The AMM is the king of documents. It provides detailed instructions for servicing, repair, and replacement.

  • Maintenance Procedures — Scheduled tasks, task cards, torque values, consumables
  • Troubleshooting — Fault trees, symptom-to-cause matrices, circuit breaker maps
  • Structural Repair Manual (SRM) references — Damage limits, repair instructions
  • Illustrated Parts Catalogue (IPC) references — Part numbers and interchangeability
  • Wiring & System Schematics — Power distribution, signal paths, connector pinouts
  • Service Bulletins (SBs), Airworthiness Directives (ADs), and Modifications log
  • Tools, Test Equipment & Ground Support — Required GSE, calibration intervals
  • Training & Certification Requirements — Required qualifications for maintenance tasks
  • Appendices — Data plates, connector lists, consumables, Abbreviations & Definitions, revision history
  • Index
  • The manual breaks the aircraft down into colored-coded or numbered system blocks. Top featured systems include:

    This volume dictates crew action.

    A common misconception is that the "top" of the technical manual contains operational checklists or pilot procedures. It does not. Pilot manuals (FCOM, QRH) are separate trees. The technical manual top is exclusively for maintenance, repair, and overhaul. Another misconception: the "top" is static. In reality, the 737-800 manual is constantly revised via Boeing’s Service Letter process, and the top-level introduction is updated with every new revision to reflect changed regulatory standards or safety alerts.

    The true "top" of the technical manual is governed by the Air Transport Association (ATA) Specification 100 numbering system. At the root:

    From this top level, the user drills down through 20 major systems (ATA 20–80): Airframe (ATA 51-57), Power Plant (ATA 70-80), and Structures. But the "top" is not merely a table of contents; it is the safety briefing for the entire technical library.