Service difficulty report · Computer · Saab 340B

Difficulty date
February 15, 2011
Submitted
February 18, 2011
Operation
Air carrier
Aircraft
N251CJ
Make and model
Saab 340B
Aircraft serial
251
Aircraft time
39,253 hours, 44,311 cycles
Part
Computer
Condition
Malfunctioned
Location
Autopilot Sys
Stage of operation
CR
How discovered
O
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

APPROXIMATELY 65NM FROM CRW AT 12000 FT, WHILE ON AUTOPILOT AIRCRAFT DID AN UNCOMMANDED ROLL. DISCONNECTED AUTOPILOT AND LANDED AT CRW WITHOUT FURTHER INCIDENT. IN ADDITION TO AUTOPILOT, CREW WAS RECEIVING ERRONEOUS INDIACTIONS ON ADF. REMOVED AND REPLACED AILERON SERVO CABLES AND FLIGHT CONTROL COMPUTER. OCF GOOD.

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