What was found
NR 1 ENGINE ACMS DATA SHOWS INTERMITTENT N2 VALUES FROM OIP REPORT 7. TAKEOFF AND CRUISE ACMS REPORTS SHOW NORMAL PARAMETERS. GROUNDED - YES. REMOVED & REPLACED NR 1 ENG N2 SENSOR REF AMM 77-11-02. OPS CK GOOD.
- Difficulty date
- November 12, 2016
- Submitted
- November 14, 2016
- Operation
- Air carrier
- Aircraft
- N407AS
- Make and model
- Boeing 737990ER
- Aircraft serial
- 41731
- Aircraft time
- 15,812 hours, 5,053 cycles
- System (JASC)
- 7714 · Engine RPM Indicating System
- Part
- Sensor
- Part number
- 3218KGB01
- Part serial
- YJ416944
- Condition
- Faulty
- Location
- Nr 1 Engne
- Part time
- 15,847 hours, 5,073 cycles
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.