SDR VNAA2010020200015

Service difficulty report · Computer · Cndair CL6002B19

Difficulty date: January 28, 2010
Submitted: February 2, 2010
Operation: Air carrier
Aircraft: N249PS
Make and model: Cndair CL6002B19
Aircraft serial: 7926
Aircraft time: 13,593 hours, 14,294 cycles
System (JASC): 3425 · Integrated Flight System
Part: Computer
Condition: Malfunctioned
Location: Nr 1 & Nr 2
Stage of operation: TO
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

CREW REPORTED AN EFIS COMP MON MESSAGE AT ROTATION ON TAKEOFF FROM IND. COMPASSES BECAME ERRATIC. AIRCRAFT RETURNED TO IND AND LANDED WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE AIRCRAFT AND REMOVED AND RE-INSTALLED THE NR 1 AND NR 2 ATTITUDE HEADING COMPUTERS (AHC) USING THE AIRCRAFT MAINTENANCE MANUAL. MAINTENANCE PERFORMED CHECKS USING THE AIRCRAFT MAINTENANCE MANUAL. RESULTS OF CHECKS WERE NORMAL. AIRCRAFT WAS RELEASED FOR SERVICE.