# SDR AALA202601219379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 17, 2026
- Submitted: January 21, 2026
- Operation: Air carrier
- Aircraft: [N943AN](https://openairdocs.org/aircraft/N943AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30599
- Aircraft time: 70,260 hours, 29,809 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Fuel Filter
- Condition: Clogged
- Location: Nr 2 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601219379

## Discrepancy

AIRCRAFT WAS GROUNDED: ON CLIMBOUT AROUND 1200' AS THRUST WAS REDUCING, MASTER CAUTIONAND FUEL BYPASS LIGHT ILLUMINATED ON NUMBER 2 ENGINE OCCURRED. REMOVE AND REPLACED FUEL FILTERS ON BOTH ENGINES (AALA202601218683) (AALA202601219379). PER JOBCARD 08L40073004. ALSO, REMOVED AND REPLACED ENGINE 2 FUEL FILTERS DIFFERENTIAL PRESSURE SWITCH (AALA202601218777). PER AMM 73-34-01. OPS CHECK GOOD, LEAK CHECK GOOD. FUEL BYPASS LIGHT DID NOT COME ON.

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