# SDR AALA202601060136

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2026
- Submitted: January 6, 2026
- Operation: Air carrier
- Aircraft: [N937AN](https://openairdocs.org/aircraft/N937AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30082
- Aircraft time: 68,185 hours, 28,884 cycles
- System (JASC): [7334 · Fuel Pressure Sensor](https://openairdocs.org/jasc/7334)
- Part: Pressure Switch
- Part number: QA07995
- Condition: Faulty
- Location: Zone 400
- Stage of operation: CL
- How discovered: V
- Nature of condition: S, J, K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202601060136

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: AFTER TAKEOFF RIGHT FUEL BYPASS LIGHT ILLUMINATED, FUEL WAS ONLY BEING FEED FROM THR RIGHT WING FUEL TANK. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT CVG. REMOVED AND REPLACED FUEL FILTER (AALA202601064177) AND REMOVED AND REPLACED FUEL PRESSURE SWITCH (AALA202601060136). OPERATIONAL CHECK AND IDLE LEAK CHECKS GOOD. PERFORMED HIGH POWER TEST, PER AMM 71-00-00-700-813-F00. FUEL BYPASS LIGHT DID NOT ILLUMINATE DURING TEST. FUEL BURNED EVENLY FROM LEFT AND RIGHT TANKS.

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