# SDR UIEA201000197

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2010
- Submitted: September 20, 2010
- Operation: Air carrier
- Aircraft: [N419MC](https://openairdocs.org/aircraft/N419MC), registered now
- Make and model: Boeing 747-48EF
- Registry model: [Boeing 747-48EF](https://openairdocs.org/model/boeing-747-48ef) (OpenAirDocs)
- Aircraft serial: 28367
- Aircraft time: 64,490 hours, 9,725 cycles
- Engine: Ge CF680C2B1F
- System (JASC): [7261 · Turbine Engine Oil System](https://openairdocs.org/jasc/7261)
- Part: Line
- Condition: Leaking
- Location: Nr 4 Engine
- Stage of operation: NR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA201000197

## Discrepancy

ENGINE 4, OIL QUANTITY DROPPED TO ZERO BEFORE OIL PRESSURE, REQUIRED ENGINE SHUTDOWN. FOUND OIL D-SUMP LINE AT 4 O'CLOCK POSITION CRACKED. R & R OIL LINE IAW MM 72-53-04 AND 79-21-02. PERFORMED HIGH POWER ENGINE RUN UP. (NR4) IAW MM 71-00-00 AND ALL INDICATIONS NORMAL. NR4 ENG LEAK CHECK OK.

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