# SDR AALA202604075355

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2026
- Submitted: April 8, 2026
- Operation: Air carrier
- Aircraft: [N826NN](https://openairdocs.org/aircraft/N826NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31089
- Aircraft time: 47,290 hours, 20,275 cycles
- Engine: Cfmint CFM567B243
- System (JASC): [7310 · Engine Fuel Distribution](https://openairdocs.org/jasc/7310)
- Part: Fuel Filter
- Condition: Clogged
- Location: Nr 2 Engine
- Stage of operation: NR
- 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/AALA202604075355

## Discrepancy

AIRCRAFT WAS GROUNDED: FUEL FILTER BYPASS LIGHT ON NUMBER 2 ENGINE CAME ON AFTER BOTH ENGINES STARTED AND STABILIZED. REMOVED AND AREPLACED NUMBER 2 ENGINE FUEL FILTER (AALA202604075355), PER MCM CARD 08L40073004. ALSO, REMOVED AND REPLACED FUEL DIFFERENTIAL PRESSURE SWITCH (AALA202604071673), PER AMM 73-34-01, OPS CHECK AND LEAK CHECK GOOD.

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