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sunstrand APU maintenance manual
Category Archives: F50 Troubleshooting
Holds Falcon 50 specific troubleshooting information
Which EFIS-86 is which?
EFIS-86A
EFIS-86C
In a falcon 50, or 200 used DPU-86C
622-7248-001, or -002 after mod
Manual for EFIS-86(1) is
EFIS-86(3) or (13) usses DPU-86L
EFIS-86 (4) or (14) uses DPU MPU86R
In a low SN 50
622-9009-001 or -002 after mod. Is this what gives names on waypoints on MFD?
EFIS-86E
Possible manual
https://gsplanestuff.com/products/collins-efis-86c1-install-manual-using-dpu-86c-mpu-86c
Possible manual
https://www.ebay.com/itm/183819877377?hash=item2acc84bc01:g:43YAAOSwLGVc5DJM#shpCntId
Falcon 50 Falcon 900 roll control slider bearings
Why take time to remove the upper slat panels during a aileron linkage grease job:
Black mold, and black Vegi-Mite grease.
Half of the linear bearings are difficult to access from the bottom. So they tend to be ignored.
Best to take the time, remove the upper panels and do a though job.
How do I put TCAS II in TA on the ground in a Falcon 50?
Target the gear to get WOW
Disconnect the down brace prox (2 on each) to get GEAR NOT DOWN.
Disconnect RA RECV coax cable to get RA 2500 FT.
observe RA 2500 FT on the ADI
Select FID on TXP
Why do I have SPEED BRAKE FAULT light on the side pedestal in my Falcon 900/ 900EX/ 50 / 50EX with aftermarket winglets?
Page 23. learn to do the self test
F50 F900 wingtip light transparancy plastic washers
AEGIS software setup for Falcon 900ex and 50ex
When is the friction check due on a Falcon 50 H stab
For F50 N98DH, the fwd H-Stab, (Normal) motor is P/N 1234-2, S/N 206, monted on Stab Jack P/N 021121-09. S/N 332.
Normla motor is p/n 1234-2
That means the stab jack is compliant with SB F50-267, and SB F50-247.
So, brake current check and instpect and clean are not due at the 12 month check.
Here is some of the early analysis.
PRE SB
you have Stab Jack P/N 021121-01 or 021121-05 or 021121-05 AND Normal motor P/N 1234.
Brake holding check and Check is due at the 12 month AND check and clean is due at the 12 month.
POST-SB 147
you have any stab jack with stab normal motor p/n 1234-1.Drop out current check is not required. inspectand clean is due at every 12 month check.
POST S/B F50-267
you have any P/N 021121-09 stab jack, with normal motor 1234-2, Check and cleaning not required, drop out current not required.
Prox detector test set
from a bulb and a few wires
How do I STIM a AHC-85E
Remember to pull the AHRS EMER battery breakers, or else it will no STIM.
you may have to power down between stim aattempts.
Astra SPX Avionics System stim