What was found
FOUND A NR 1 ENGINE SHORT TIME FAULT, 77-21131. THE N2 SPEED SENSOR SIGNALS DISAGREE ON FLIGHT LEG 3. ACFT GROUNDED. THE NR 1 ENGINE WAS REPLACED DUE TO AN OIL FILTER BYPASS LIGHT ILLUMINATION DUIRNG CLIMBOUT.
- Difficulty date
- June 4, 2018
- Submitted
- June 11, 2018
- Operation
- Air carrier
- Aircraft
- N594AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35191
- Aircraft time
- 39,125 hours, 11,796 cycles
- Engine
- Cfmint CFM567B273
- System (JASC)
- 7261 · Turbine Engine Oil System
- Part
- Filter
- Condition
- Warning Light
- Location
- Nr 1 Engine
- Stage of operation
- NR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.