# SDR 8LFA202504240001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 2025
- Submitted: April 24, 2025
- Operation: Air carrier
- Aircraft: [N410LF](https://openairdocs.org/aircraft/N410LF), registered now
- Make and model: Bell 407
- Registry model: [Bell 407](https://openairdocs.org/model/bell-helicopter-textron-canada-407) (OpenAirDocs)
- Aircraft serial: 56332
- Aircraft time: 1,239 hours, 3,390 cycles
- Engine: Allsn 250C47E4
- Engine time: 1,239 hours, 3,390 cycles
- System (JASC): [7230 · Turbine Engine Compressor Section](https://openairdocs.org/jasc/7230)
- Part: Compressor
- Part number: M25010559
- Part serial: CAC47062
- Condition: Damaged
- Location: Engine
- Part time: 1,239 hours, 3,390 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/8LFA202504240001

## Discrepancy

UPON DISASSEMBLY OF ENGINE FOR 2000HR INSPECTION TECHNICIAN FOUND #2 BEARING RETAINER NUT TO BE LOOSE. REMOVED IT BY HAND.

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