# SDR LR7A9826

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 1998
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N401LC](https://openairdocs.org/aircraft/N401LC), registered now
- Make and model: Lkheed 382G
- Aircraft serial: 4606
- Engine: Allsn 501D22A
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Diffuser
- Part number: 6894133
- Condition: Cracked
- Location: Nr 4 Engine
- Part time: 5,052 hours
- Stage of operation: CL
- Nature of condition: K, J
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/LR7A9826

## Discrepancy

NR 4 ENGINE LOW AND DECREASING OIL QUANTITY, PRECAUTIONARY SHUTDOWN.  INSPECTED NR 4 ENGINE, AIRCRAFT IN SAFE CONDITION FOR INTENDED FERRY FLIGHT TO ANC, 3 ENGINE FERRY.  REMOVED QEC, BORESCOPE INSPECTED ENGINE AND SUPSPECT CRACKED DIFFUSER.

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