SDR MALA010653

Service difficulty report · Computer · Saab 340B

Difficulty date: August 19, 2001
Submitted: August 22, 2001
Operation: Air carrier
Aircraft: N444XJ
Make and model: Saab 340B
Aircraft serial: 340B444
System (JASC): 3425 · Integrated Flight System
Part: Computer
Part number: 6226190113
Part serial: 933
Condition: Malfunctioned
Location: E/E Bay
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: K

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

What was found

DURING FLIGHT 2730 CAPT AHRS COMPUTER FAILED AFTER DEPARTURE FROM DTW. HDG RED FLAG ON LT AND RT EFIS, IN FLIGHT. XSIDE DATA CLEARED FLAG, BUT EFIS/COMPASS OFF 15 DEGREES. ALSO FLAG ON RIGHT RMI. MAINTENANCE CND ON GROUND. REPLACED NR 1 AHRS COMPUTER FOR PRECAUTION. P/N 622-6190-113, S/N OFF 933, S/N ON 277. ALL CHECKS GOOD.

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