What was found
NR 2 FUEL FILTER BYPASS LIGHT ILLUMINATED AT FL 370, JUST AFTER CENTER PUMPS TURNED OFF. ACFT GROUNDED. REMOVED AND REPLACED THE NR 2 ENGINE FUEL DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01. OPS CHECKED GOOD.
- Difficulty date
- July 10, 2017
- Submitted
- August 8, 2017
- Operation
- Air carrier
- Aircraft
- N583AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35681
- Aircraft time
- 37,973 hours, 11,210 cycles
- Engine
- Cfmint CFM567B27B3
- System (JASC)
- 7330 · Engine Fuel Indicating System
- Part
- Pressure Switch
- Part number
- 8TJ201NAA1
- Part serial
- DT8386F
- Condition
- Failed
- Location
- Fuel System
- Part time
- 73 hours, 22 cycles
- Stage of operation
- CR
- 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.