SDR C2XA11IA172

Service difficulty report · Computer · Emb EMB145LR

Difficulty date: July 31, 2011
Submitted: August 4, 2011
Operation: Air carrier
Aircraft: N13970
Make and model: Emb EMB145LR
Aircraft serial: 145146
Aircraft time: 28,949 hours, 21,734 cycles
System (JASC): 3420 · Attitude and Direction Data System
Part: Computer
Part number: HG2010AC02
Part serial: 99051074
Condition: Inoperative
Location: Ahrs
Part time: 27,785 hours, 20,680 cycles
Stage of operation: CL
How discovered: O
Nature of condition: P
Precautionary procedure: A

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

What was found

FLT 2391, CREW REPORTED TAHT THE CAPTAIN LOST ATT AND HDG TWICE DURING CLIMB. THE AIRCRAFT RETURNED TO EWR WITHOUT INCIDENT WHERE MAINTENANCE REMOVED AND REPLACED THE NUMBER ONE AHRS COMPUTER, OPERATIONALLY TESTED WITH NO DEFECTS, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

More about the Emb EMB-145LR