A330 Tools · ECAM Resets vs B737 Maintenance Mastermind

A330 Tools is a professional maintenance reference app for aircraft technicians, focused on A330 troubleshooting and ECAM reset procedures. It provides fast, structured access to key information used during fault troubleshooting, reset procedures, structural damage report creation, and everyday maintenance tasks—helping technicians work more efficiently on the line or in base maintenance. ECAM Fault Messages • Extensive database of fault messages with the associated circuit breakers (CBs) required for each A330 ECAM reset • Images of aircraft panels showing where to find each circuit breaker • Clear, step-by-step ECAM reset procedures with an integrated countdown • Maintenance manual and MEL references linked to each message Quick Fault Search • Instantly find messages using a fast search engine, reducing time-consuming searches during line maintenance calls • Browse messages organized by ATA chapter • Recent tab for quick access to previously viewed content Structural Damage Reports • Interactive structural damage report forms generator with support for multiple damage entries, eliminating paper notes and improving handover • Useful for reporting a single damage or multiple damages (e.g., after lightning events) • Attach damage photos taken with the device camera • Export reports to PDF or ZIP files (including images) to continue working on a computer or another phone with the app Alpha Callups • Complete list of Alpha Callups, filtered by engine model • Built-in search engine for quick searches Electrical Contacts • Electrical contacts, terminals, and splices part numbers library, with quick search function • Direct reference to the ESPM figure where each item is located • Crimping and insertion/extraction references included Common Part Numbers • Commonly used aircraft part numbers organized by category and aircraft zone • Each part number can include a description and photos • Add your own part numbers with photos taken using the device camera • Create and share your custom part-number list with colleagues • Useful for quickly finding references during line maintenance Maintenance Manual References • Structured breakdown of the maintenance manual index • Fast search for quick lookup Disclaimer – Training & Reference Use Only This app is designed for training, reference, and informational purposes only. This app does not replace official documentation. Fault messages, reset procedures, structural damage reports, manual/MEL/ESPM references, electrical contact data, and part number information are provided as a learning aid for maintenance technicians. Users must always consult the latest official manuals and procedures before performing any maintenance or operational task on an aircraft. This app must not be used as the sole source for maintenance decisions. This app is not affiliated with, endorsed by, sponsored by, or an official product of any aircraft manufacturer. The app does not copy, reproduce, or distribute proprietary manufacturer materials (including manual pages or documentation) and does not use manufacturer logos or branding.

B737 Maintenance Mastermind is an independent quick-reference and utility app designed to support aircraft technicians, engineers, mechanics, and aviation professionals working with Boeing 737 NG and MAX aircraft. The B737MM app combines fast offline tools with secure premium reference modules, helping users quickly find maintenance-related information, calculations, references, and troubleshooting guidance during study, training, planning, or daily technical routines. FREE TOOLS • MEL Calculator Quick helper for standard dispatch time limit calculations. • Unit Converter Fast conversion of common aviation units, including pressure, temperature, volume, weight, and fuel-related values. • Fuel Calculator Useful fuel uplift and density calculation tool for quick planning and cross-checking. • Abbreviations Dictionary Large searchable glossary of aviation, maintenance, and technical abbreviations. PREMIUM REFERENCE MODULES • Alerts Searchable cockpit alert, status, and message references with related technical context. • Flags Reference guide for PFD, ND, FMC/CDU, and display flags. • BITE Built-In Test Equipment reference module with test access information and related troubleshooting links. • MEL Reference Fast searchable Minimum Equipment List reference support for NG/MAX style workflows. • CDL Reference Configuration Deviation List reference module for missing or deferred aircraft configuration items. • Circuit Breakers / CB ATA-grouped circuit breaker reference with panel-related information. • Lights Cockpit, annunciator, and system light reference module with related system context. • Location Aircraft component, access panel, service panel, antenna, and equipment location references. • STA Map Station, frame, stringer, waterline, and aircraft location reference helper for quick orientation. • Visual Panels Interactive visual reference for cockpit panels and related light/panel locations. • Support & Materials Technical support notes, fastener/material references, practical troubleshooting notes, and maintenance helper information. PREMIUM ACCESS Premium reference modules open with an auto-renewable yearly subscription (with a 3-day free trial for eligible users) or a one-time lifetime purchase, both offered in the app. Payment is charged to your Apple Account at confirmation of purchase. The subscription renews automatically unless it is cancelled at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the end of the current period. You can manage or cancel your subscription in your Apple Account settings at any time after purchase. Use Restore Purchases in the app to restore access on a new device. Some premium content requires internet access for first download, access verification, or content updates. Once downloaded, content is available on the device for fast access. IMPORTANT DISCLAIMER This application is an independent reference and training support tool. It is not official Boeing documentation and is not affiliated with, endorsed by, sponsored by, or associated with The Boeing Company, any airline, aircraft operator, maintenance organization, or aviation authority. The information in this app is provided for educational, training, and general reference purposes only. The official Aircraft Maintenance Manual (AMM), Fault Isolation Manual (FIM), Illustrated Parts Catalog (IPC), Wiring Diagram Manual (WDM), Structural Repair Manual (SRM), and the operator-approved MEL/CDL are the only official sources and must always take precedence. Do not use this application as the sole source for aircraft maintenance actions, dispatch release decisions, operational decisions, or work on an actual aircraft. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://b737mm.com/privacy/