SDR TRBA201135302

Service difficulty report · Computer · Aerosp ATR72212A

Difficulty date: December 13, 2011
Submitted: December 19, 2011
Operation: Air carrier
Aircraft: N545AT
Make and model: Aerosp ATR72212A
Aircraft serial: 545
Aircraft time: 21,926 hours, 26,088 cycles
System (JASC): 3460 · Flight Management Computing Hardware System
Part: Computer
Part number: 93123761
Part serial: 70003974606
Condition: Inoperative
Location: Flt Guidance
Stage of operation: CR
How discovered: O
Nature of condition: G, J
Precautionary procedure: B, A

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

What was found

THE CREW REPORTED FLIGHT HAD MULTIPLE FAILURES OCCURED AFCS INVALID, AUTOPILOT AND YAW DAMP FAILED, ADU FAILED, ALTITUDE ALERTING SYS FAILED. THE ACFT WAS REMOVED FROM SERVICE. R & R THE AFCS COMPUTER IAW JIC 22-18-81. THE OPS CHECKS WERE GOOD. THE ACFT WAS RETURNED TO SERVICE.

More about the Aerosp ATR 72-212A