What was found
AIR TURNBACK, NR 2 ENGINE DIGITAL TORQUE SHOWING ALL DASHES. AFTER EXTENSIVE TROUBLESHOOTING, MAINTENANCE REPLACED THE NR 2 IBV SERVO AND NP SENSOR. ALL SYSTEM CHECKS GOOD. AIRCRAFT RETURNED TO SERVICE.
- Difficulty date
- August 24, 2017
- Submitted
- August 31, 2017
- Operation
- Air carrier
- Aircraft
- N804HC
- Make and model
- Aerosp ATR42500
- Aircraft serial
- 623
- Aircraft time
- 21,463 hours, 26,296 cycles
- System (JASC)
- 7532 · Compressor Bleed Valve
- Part
- Servo
- Part number
- 311864201
- Part serial
- WDA12437
- Condition
- Faulty
- Location
- Nr 2 Engine
- 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.