- Difficulty date
- September 12, 2023
- Submitted
- September 14, 2023
- Operation
- Air carrier
- Make and model
- Boeing 7379
- Aircraft serial
- 44079
- Aircraft time
- 8,852 hours, 2,772 cycles
- Engine
- Cfmint LEAP1B21
- Part
- Sensor
- Part number
- 2492M60P03
- Part serial
- KUL28922
- Condition
- Faulty
- Location
- Nr 1 Engine Fuel
- Part time
- 8,874 hours, 2,777 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.
What was found
GE DIAGNOSTICS REPORTS #1 ENGINE (SN 603281) FUEL FILTER DELTA PRESSURE IS EXPERIENCING AN INCREASE,INDICATING A POTENTIAL FUTURE IMPENDING FUEL FILTER BYPASS. PRI1/ETOPS OPS SIGNIFICANT SYSTEM. CNR 20230912061. GROUNDED - YES. (RESOLVED ON W/O: 1968122 TASKCARD: N/R-00002 ) REMOVED AND REPLACED #1 ENGINE FUEL FILTER REF AMM 73-11-02. NO CONTAMINANTS NOTED. REMOVED AND REPLACED FUEL FILTER DIFFERENTIAL PRESSURE TRANSDUCER SENSOR REF AMM 73-11-10.