# SDR SWAA2018073023868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2018
- Submitted: July 31, 2018
- Operation: Air carrier
- Aircraft: [N7745A](https://openairdocs.org/aircraft/N7745A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33933
- Aircraft time: 37,222 hours, 18,114 cycles
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Lubrication Unit
- Part number: 41F1005
- Part serial: YT009943B
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: UK
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2018073023868

## Discrepancy

DIVERSION/DECLARED EMERGENCY, NR 1 OIL QUANTITY DECREASED IN FLIGHT FROM 97% TO 58% SUSPECT OIL LEAKED ON NR 1 ENGINE.  R&R NR 1 ENGINE LUBE UNIT PER AMM.

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