# SDR AALA202309050300

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 4, 2023
- Submitted: September 5, 2023
- Operation: Air carrier
- Aircraft: [N832NN](https://openairdocs.org/aircraft/N832NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33521
- Aircraft time: 16,745 hours, 40,119 cycles
- System (JASC): [2800 · Aircraft Fuel System](https://openairdocs.org/jasc/2800)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: TO
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202309050300

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURN TO MSP. AIRCRAFT LANDED SAFELY. AFTER TAKE OFF RIGHT FILTER BYPASS LIGHT CAME ON. THEN LEFT FILTER BYPASS ALSO CAME ON. **SUPPLEMENTAL REPORT WILL BE SUBMITTED** (OPEN).

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