Service difficulty report · Unknown · Bell 407

Difficulty date
October 18, 2023
Submitted
October 19, 2023
Operation
Air carrier
Aircraft
N224AM
Make and model
Bell 407
Aircraft serial
54070
Aircraft time
4,408 hours, 13,370 cycles
Engine
Allsn 250C47B
Engine time
8,223 hours, 14,730 cycles
Part
Unknown
Part number
UNKNOWN
Condition
Unknown
Location
Unknown
Stage of operation
LD
How discovered
V
Nature of condition
J
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

FADEC FAULT AND RESTART FAULT LIGHTS ILLUMINATED DURING FLIGHT WHILE CIRCLING TO LAND AT A SCENE CALL. TROUBLESHOT FADEC SYSTEM USING FADEC FAULT ISOLATION MANUAL 73-25-04-110. INSPECTED CONNECTORS AND RE-SEATED THEM. OHMED OUT THERMOCOUPLES AND THEY HAVE PROPER RESISTANCE. RESET FAULT CODES USING MTERM SOFTWARE. MONITORED LIVE DATA DURING START UP AND GROUND RUN USING MTERM SOFTWARE. ALL PARAMETERS WERE WITHIN PROPER TOLERANCES. UNABLE TO NARROW DOWN TO A SPECIFIC PART AT THIS TIME.

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