# SDR ASAA2022061638675

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 16, 2022
- Submitted: June 17, 2022
- Operation: Air carrier
- Aircraft: [N538AS](https://openairdocs.org/aircraft/N538AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 41188
- Aircraft time: 36,885 hours, 10,764 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7920 · Engine Oil Distribution (Airframe Furnished)](https://openairdocs.org/jasc/7920)
- Part: Lubrication Unit
- Part number: 41F1005
- Part serial: YT133462
- Condition: Leaking
- Location: #1 Engine
- Part time: 37,148 hours, 10,759 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: K
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022061638675

## Discrepancy

FOLLOWUP TO REPORT OF CONTINUED #1 ENG LEAK AFTER AFT SUMP MAINTENANCE. GROUNDED - YES. REMOVED & REPLACED #1 ENG LUBE UNIT REF B737-800 AMM 79-21-01. LEAK CHECK GOOD.

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