SDR MALA060565

Service difficulty report · Computer · Saab 340B

Difficulty date: September 26, 2006
Submitted: September 28, 2006
Operation: Air carrier
Aircraft: N403XJ
Make and model: Saab 340B
Aircraft serial: 340B403
Aircraft time: 23,381 hours, 25,501 cycles
System (JASC): 3420 · Attitude and Direction Data System
Part: Computer
Part number: 6226190113
Part serial: 1314
Condition: Malfunctioned
Location: Nr 1 Ahrs
Stage of operation: CL
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

ON TAKEOFF AFTER GEAR CAME UP, THE VERBAL BANK ANGLE SOUNDED CONTINUOUSLY. QRH, PROBLEM REMAINS. ALSO THE YELLOW HDG FLAG ON EHSI CAME ON BOTH CAPTAIN AND FO'S DISPLAY. RESET IAW QRH, PROBLEM REMAINS. REMOVED AND REPLACED NR 1 AHRS COMPUTER. P/N ON/OFF 622-6190-113, S/N ON 1048, S/N OFF 1314. SYSTEMS CHECK GOOD.

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