Service difficulty report · Circuit Card · Piper PA31350

Difficulty date
March 20, 2004
Submitted
October 22, 2004
Operation
General aviation
Aircraft
N3590N
Make and model
Piper PA31350
Aircraft serial
318052148
Engine
Lyc TIO540*
Part
Circuit Card
Condition
Malfunctioned
Location
Idu
Component
Idu · Chelton
Component part number
4010455000101
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

OPERATOR WAS IN PROCESS OF UPGRADING SOFTWARE FOR EFIS-SV SYSTEM IAW SB WSB IDU-III-6. THE NEW DATA WAS LOADED ONTO THE SMART MEDIA CARDS AND THE CARDS WERE THEN INSTALLED IN THE INTEGRATED DISPLAY UNITS (2EA). UPON INITIALIZATION OF THE SOFTWARE UPLOAD, THE ENTIRE SYSTEM MALFUNCTIONED AND COULD NOT BE REINITIALIZED. THE AC WAS GROUNDED. AFTER SEVERAL UNSUCCESSFUL ATTEMPTS TO RELOAD THE UPGRADE ONTO THE CARDS AND THEN UPLOAD THE INFORMATION INTO THE SYSTEM, THE SMART MEDIA CARDS WERE REPLACED WITH NEW, THE INFORMATION DOWN LOADED ONTO THE CARDS, AND THE SYSTEM SUCCESSFULLY REBOOTED AND FUNCTIONED PROPERLY.

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