# SDR DALA2025072505610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 2025
- Submitted: July 25, 2025
- Operation: Air carrier
- Aircraft: [N819DX](https://openairdocs.org/aircraft/N819DX), registered now
- Make and model: Boeing 757-26D
- Registry model: [Boeing 757-26D](https://openairdocs.org/model/boeing-757-26d) (OpenAirDocs)
- Aircraft serial: 33959
- Aircraft time: 55,424 hours, 26,711 cycles
- Engine: Pwa PW2037
- Engine time: 65,870 hours, 23,685 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Seal
- Condition: Leaking
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025072505610

## Discrepancy

SHIP 6819 -DIV - DIVERTED TO ORD FOR LEFT ENGINE OIL QUANTITY DECREASING.   REPLACED NBR 1 ENGINE DE-OIL CARBON SEAL, DE-OIL HOUSING, AND O'RING ON MAIN BEARING BREATHER MANIFOLD ON BACK OF ANGLE GEAR BOX.

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