Service difficulty report · Computer · Aerosp ATR42320

Difficulty date
July 19, 2002
Submitted
July 24, 2002
Operation
Air carrier
Aircraft
N34820
Make and model
Aerosp ATR42320
Aircraft serial
159
Part
Computer
Part number
35OA23008314
Part serial
405
Condition
False Indication
Location
Cockpit
Stage of operation
AP
How discovered
O
Nature of condition
N
Precautionary procedure
K

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

What was found

IAH - FLT 3584 - CREW REPORTED THAT A FORWARD SMOKE WARNING INDICATION ILLUMINATED DURING FLIGHT. THE CREW DECLARED AN EMERGENCY AND LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE TROUBLESHOT THE AIRCRAFT AND FOUND THE WARNING TO BE A FALSE INDICATION. MAINTENANCE THEN REMOVED AND REPLACED THE CENTRAL CREW ALERTING COMPUTER. THE SYSTEM OPERATIONALLY CHECKED GOOD AND THE AIRCRAFT WAS APPROVED FOR RETURN SERVICE.

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