Category Archives: F900 Troubleshooting

Holds Falcon 900 specific troubleshooting information

F900ex SN 001. Missing wire diagrams


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








N900HG F900ex 022 Bohlke MNAviation


Hector -in class with scott.


Edgar –

Louis DOM Mnaviation

Miguel 2nd guy in my class.

Peachy -beard




Incoming Avionics issues:

WR works great over water.  Over land shows lots of returns.  GCS, Check tilt.



NEW OCT 10, EID blank. Verfied, blank.


Irs 3 bad. Verifided, stays in 3 min to align.

Fms 1 SINGLE operation. Not verified. They are working fine.  Custom DB

VHF 2 xmit only 2 seconds. Verified

MFD has stayed black sometimes. From Devin. Verfied dead. Sg switching works.

Satfone inop.

CPDLC freezes, kusa, tail, tail, then sending. Air or ground. Idendify CB. 1OF 5 flight.

Pax brief inop.  Check moving map. Incydink dead

Bulbs interior. Measure for LED.

incoming airframe issues:

Number 3 throttles stiff

Hp bleed overheat , was number 3, now number 1. Old squawk.

Steering servo leak.

Copilot ws leaks at top.

DC4 at towing disc

Uplock roller dont roll.

Nose boot

RH  slat droop after 24 hours.

ICS audio scratchy. Verfied  Mic jack scratchy. Needs clean up.

ESSPRESSO maker inop.

Condensation in cabin when gnd apu run. Verified, check sock

DV window ai inop. Center window seems to accuulate ice.

Fwd galley water heater inop. Check sw.

CABIN TEMP  both only work in manual.  Verfied pax fail.  Pax motor failed

Glue for studs,

All the way to hot or cold.

Door seal whines lower portion.

APU GEN 10 amps low.


DV window brown at the edge

Foam at AOA covers


Fwd galley hand basin drain not connected.  Missing hardware


BEACON voltage


Good afternoon.

We are trying  to ping test beacon pn 266-e5542-00.  Falcon airframe work card does not give the acceptable voltage on the end terminal.

Can yougive us some guidance?


Good morning, Todd,

The battery Min Acceptable voltage is 2.97V.


I hope this helps.

Best Regards

Samir Purohit

Business Development Manager – Dukane Seacom Inc./ Radiant Power Corp.

(Cell)   +1   941-799-0061

Show quoted text

Thanks so much for the response.   Todd












F900ex Weighing

There was a little controversy on weighing, here is how it played out:




here is the math


716BH WB calculation



We have positively identified the correct nose arm for the F900/F900ex series.
The previous numbers are incorrect, as it refers to gear retracted.arm.
The confirmation came in the Loading Manual drawing , attached to this email.
Could you please change the nose arm to -287.57 on both reports and recalculate.
Also could you add these notes to your reports:

Basic Empty Weight includes these items on board:
Crew Headsets
Crew Smoke Goggles
3 Portable Extinguishers
Flight Manuals
Portable O2
Single First Aide kit
Light Fly Away Kit
Maintenance Laptop, plus cables
Basic Operating Weight includes these items on board:
BEW items plus:
2 Crew @ 200Lbs each
Avionics Operating Manuals
Light Galley service items
Ices plus Cokes
2 extra First Aid kits
1 tub of Pillows
1 tub of spare stock
Lav serviced
Potable serviced
Full DVD, CDs
Full Lav service items