SDR C2XA10IA152

Service difficulty report · Isis Unit · Emb EMB145LR

Difficulty date: May 19, 2010
Submitted: May 20, 2010
Operation: Air carrier
Aircraft: N14543
Make and model: Emb EMB145LR
Aircraft serial: 145553
Aircraft time: 20,409 hours, 15,526 cycles
System (JASC): 3425 · Integrated Flight System
Part: Isis Unit
Part number: C16221GD04
Part serial: C16221001580
Condition: Inoperative
Location: Cockpit
Part time: 7,262 hours, 5,183 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

IAH - FLIGHT 2336, THE CREW REPORTED THE AIRSPEED WAS OFF BY 100+ KTS, AND WAS JUMPING UP AND DOWN. THE AIRCRAFT RETURNED TO IAH WHERE IT LANDED WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE ISIS UNIT, OPERATIONALLY TESTED WITH NO DEFECTS, TEST FLEW SATISFACTORILY. THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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