What was found
CRUISE ALTITUDE (FL350) RECEIVED A MASTER CAUTION WITH NR 2 FILTER BYPASS LIGHT. ACFT GROUNDED REMOVED AND REPLACED THE NR 2 FUEL FILTER DIFFERENTIAL PRESSURE SWITCH IAW AMM 73-34-01. OPS TEST AND LEAK CHECKED GOOD.
- Difficulty date
- April 11, 2017
- Submitted
- April 13, 2017
- Operation
- Air carrier
- Aircraft
- N586AS
- Make and model
- Boeing 737890
- Aircraft serial
- 35189
- Aircraft time
- 36,403 hours, 11,094 cycles
- Engine
- Cfmint CFM567B27B3
- System (JASC)
- 7330 · Engine Fuel Indicating System
- Part
- Pressure Switch
- Part number
- QA07995
- Part serial
- RY85507
- Condition
- Failed
- Location
- Nr 2 Fuel
- Part time
- 16,077 hours, 4,675 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.