Quick-reference app for Boeing 737 NG line and base maintenance. Annunciator lights by ATA chapter with fault modes, LRUs, circuit breakers and MEL links; a photographic E/E compartment tour; circuit breaker panels; common part numbers; and field damage reports. Built to be used on the ramp, one-handed and with gloves on.

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What's inside

App tour

A look inside the app, module by module.

Demos

Disclaimer

For training and reference only. Designed for aircraft systems study and fault simulation. Information may not be current or fleet-specific. This independent app is not affiliated with any manufacturer and does not replace approved AMM, MEL, or official documentation.
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