What was found
FLIGHT 7584 EN-ROUTE, AIR TURN BACK DISCREPANCY. NR 1 ATTITUDE HEADING REFERENCE SYS FAILURE ON TAKEOFF. CREW ELECTED TO RETURN, NO EMER DECLARED. REPLACED THE NR 1 AHRU. OPERATIONS CHECKED GOOD & ACFT RETURNED TO SERVICE.
- Difficulty date
- March 8, 2016
- Submitted
- March 9, 2016
- Operation
- Air carrier
- Aircraft
- N919FX
- Make and model
- Aerosp ATR42300
- Aircraft serial
- 266
- Aircraft time
- 28,284 hours, 36,129 cycles
- System (JASC)
- 3425 · Integrated Flight System
- Part
- Ahrs
- Part number
- 7003360947
- Part serial
- 92062382
- Condition
- Failed
- Location
- Nr 1
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.