What was found
DIAGNOSTICS REPORTED NR 2 ENGINE N2 SIGNAL FLUCTUATES DURING CLIMB AND TAKEOFF, FOUND ON OIP REPORT 07. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE N2 SPEED SENSOR, EEC BITE CHECK SHOWS NO FAULTS IAW AMM 77-11-02 AND 71-00-00.
- Difficulty date
- January 3, 2017
- Submitted
- January 12, 2017
- Operation
- Air carrier
- Aircraft
- N409AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41733
- Aircraft time
- 15,796 hours, 5,163 cycles
- System (JASC)
- 7710 · Power Indicating System
- Part
- Sensor
- Part number
- 3218KGB01
- Part serial
- YJ417221
- Condition
- Failed
- Location
- Nr 2 Engine
- Part time
- 15,889 hours, 5,193 cycles
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.