Service difficulty report · Pressure Switch · Boeing 737823
FAA SDR system
- Difficulty date
- August 29, 2025
- Submitted
- September 2, 2025
- Operation
- Air carrier
- Make and model
- Boeing 737823
- Aircraft serial
- 33318
- Aircraft time
- 37,768 hours, 16,378 cycles
- Part
- Pressure Switch
- Condition
- Clogged
- Location
- Zone 100
- Stage of operation
- TO
- How discovered
- V
- 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
AIRCRAFT WAS NOT GROUNDED: ENGINE 2 FILTER BYPASS LIGHT ILLUMINATED SHORTLY AFTER TAKEOFF. REPLACED NUMBER 2 ENGINE FUEL FILTER DIFFERENTIAL PRESSURE SWITCH (AALA202509024877), PER AMM 73-34-01. ALSO, REPLACED NUMBER 2 ENGINE FUEL FILTER (AALA202509023546). PER AMM 73-11-02. OPERATIONAL CHECK GOOD.