Service difficulty report · Ahrs · Emb EMB120ER

Difficulty date
September 21, 2009
Submitted
October 5, 2009
Operation
Air carrier
Aircraft
N584SW
Make and model
Emb EMB120ER
Aircraft serial
120352
Aircraft time
20,990 hours, 28,297 cycles
Part
Ahrs
Part number
6226190204
Part serial
2667
Condition
Malfunctioned
Location
Cockpit
Part time
18,743 hours, 25,235 cycles
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
A

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

What was found

CAPTAINS EADI SCREEN WENT BLANK FOR 10 SEC, THEN SCREEN CAME BACK ON WITH RED FLAGS AND BANK AT 30°, EVEN IN LEVEL FLIGHT. (FLT 6490) REPLACED THE PILOTS AHC85 AHRS COMPUTER AND ORIENTED IAW AMM 34-21-00.

More about the Emb EMB-120ER