# SDR SWAA2018110526408

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2018
- Submitted: November 5, 2018
- Operation: Air carrier
- Aircraft: [N251WN](https://openairdocs.org/aircraft/N251WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32510
- Aircraft time: 42,960 hours, 25,520 cycles
- Engine: Ge CFM567B24
- Engine time: 30,674 hours, 18,266 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: CFM567B24622
- Part serial: 888562
- Condition: Leaking
- Location: Nr 1
- Stage of operation: CL
- How discovered: O
- Nature of condition: K
- Precautionary procedure: E, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018110526408

## Discrepancy

AIR TURNBACK/INFLIGHT SHUTDOWN/DECLARED EMERGENCY, NR 1 ENGINE OIL QUANTITY WENT TO ZERO.  R&R NR 1 ENGINE IAW MT.

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