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Throttle lock works. Red TR UNLOCK annunciator works.

No green words in the n1 gage.

F900EX TR wd

F900EX TR wd2

Pin 22 is 0V on ground, 28v when both mains in the air. all good.

Power up

Pwr dn

TL;DR  Turned out to be  bad stab jack, installed in the airplane for less than 2 years.

F900EX

customer reports he can hear the main relays click…  no up or down, no report on the autopilot.

Note, thus is the HStab jack that has internal normal limit switches.   The other stab jacks have external limit switches in 4 CF.

print PDF

PowerPoint print so that you can draw on it.  (LibreOffice Impress)

f900 stab trim

This is the pinout from the lower disconnect to the TRFSCU.  REMEMBER There is a dissconnct 12 oclock high above the #2 enginge

Is missing the fresh water connection fitting.

Not in SIPC.

1. CPDLC , FANS 1A, and associated CVR upgrade.

2. IOCABUCCI espresso machine upgrade.   Need at least parts list of plumbing.

3. ? Elt upgrade?

4. DU875AF display upgrades.

5. WR 870 Upgrade, PROSTAR aviation.

6.  CDU-820(?) Upgrades.   3 FMS CDUS are upgraded, no prints.

7. Davtron clock upgrades

8.