SDR SWIA201436082

Service difficulty report · Computer · Cndair CL6002B19

Difficulty date: January 21, 2014
Submitted: January 24, 2014
Operation: Air carrier
Aircraft: N433SW
Make and model: Cndair CL6002B19
Aircraft serial: 7550
Aircraft time: 29,993 hours, 24,262 cycles
System (JASC): 2211 · Autopilot Computer
Part: Computer
Condition: Faulty
Location: Autopilot Sys
Stage of operation: AP
How discovered: O
Nature of condition: F
Precautionary procedure: K

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

What was found

AIRCRAFT INITIATED A SEVERE CLIMB TO CAPTURE GLIDE SLOPE, DISCONNECTED THE AUTO PILOT, GOT THE AIRCRAFT STABLE & RESUMED THE APPROACH. WHEN THE AUTO PILOT WAS RECONNECTED, AT APPROXIMATELY 3500 ', THE FLIGHT DIRECTOR COMMANDED A 15 DEGREE NOSE DOWN PITCH. DISCONNECTED THE AUTO PILOT AGAIN & HAND FLEW THE REST OF THE APPROACH. FLT 7368 REPLACED FCC 1 PN ON OFF 622-9815-904, SN ON FXCW & SN OFF 1755.