737B 131-9B DMM Re-initialization | TFE731 Turbine Engine | Honeywell Aerospace

The purpose of this video is to demonstrate how to reinitialize a 131-9B Data Memory Module (DMM).

This tutorial on how to reinitialize a 131-9B APU DMM. Using the MCDU, press Index, Maint, APU, Ident, Config respectively. The Ident Config page will display the installed DMM data. Pull circuit breaker P62, then pull circuit breaker P64 as shown. Install circuit breaker lockout tag out rings to the pulled circuit breakers and AP switch. Watch the video for a full demonstration on how to reinitialize a 131-9B Data Memory Module (DMM).

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