- Difficulty date
- September 26, 2023
- Submitted
- September 28, 2023
- Operation
- Air carrier
- Make and model
- Boeing 737890
- Aircraft serial
- 35190
- Aircraft time
- 56,563 hours, 16,846 cycles
- Part
- Fuel Filter
- Part number
- 3404080020
- Part serial
- DV065901N
- Condition
- Faulty
- Location
- #1 Engine
- Part time
- 18,672 hours, 5,311 cycles
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FUEL FILTER BYPAS LIGHT ON START UP. GROUNDED - YES. PERFORMED FIM 73-05 TASK 801. REPLACED FUEL FILTER CLOGGING INDICATOR WITH FUEL FILTER DIFFERENTIAL PRESSURE SWITCH REF AMM 73-34-01, LIGHT NO LONGER ILLUMINATOR AND FAULT NO LONGER PRESENT IN EEC. OPS CHECK AND LEAK CHECK GOOD.