# SDR NACA2025081700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2025
- Submitted: August 20, 2025
- Operation: Air carrier
- Aircraft: N567NC
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28141
- Aircraft time: 70,086 hours, 12,998 cycles
- Engine: Pwa PW4060
- Engine time: 69,441 hours, 18,173 cycles
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Cooler
- Part number: 13622002
- Part serial: 3964
- Condition: Failed
- Location: Rt Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/NACA2025081700001

## Discrepancy

RIGHT ENGINE OIL QTY DROPPED FROM 17 UNITS TO 12 DURING FLIGHT. SUSPECT OIL LEAK STILL PRESENT. FOUND OIL PUDDLING AT 6 OCLOCK OF ENGINE WITH EVIDENCE OF OIL LEAKAGE ON THE LH SIDE OF ENGINE CORE EMANATING FROM AIR/OIL COOLER. REMOVED AND REPLACED #2 ENGINE AIR/OIL COOLER IAW AMM 79-21-09 OPS CHECK LEAK CHECK GOOD. PART IS UNKNOWN TO TRAX.

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