Service difficulty report · Computer · Amd FALCON50MYST

Difficulty date
September 12, 2012
Submitted
October 16, 2012
Operation
Air carrier
Aircraft
N928WK
Make and model
Amd FALCON50MYST
Aircraft serial
279
Aircraft time
5,150 hours, 3,608 cycles
Part
Computer
Part number
6228971122
Part serial
2314
Condition
Defective
Location
Tcas
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

CREW REPORTED THE TCAS SYSTEM INTERMITTENTLY DISPLAYS TCAS FAIL, TD FAIL, TCAS OFF. TROUBLESHOT AND FOUND THE TTR-920 TCAS COMPUTER DEFECTIVE. REMOVED COMPUTER AND INSTALLED AN O/H UNIT PN 622-8971-122. FUNCTIONAL CHECKS SATISFACTORY.