# SDR 3EJA780JS032023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2023
- Submitted: April 20, 2023
- Operation: Air carrier
- Aircraft: [N780JS](https://openairdocs.org/aircraft/N780JS), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0043
- Aircraft time: 11,876 hours, 8,189 cycles
- Engine: Wilint FJ443A
- Engine time: 11,168 hours, 7,746 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Fdu
- Part number: 11619001A10
- Part serial: CL7APU0790
- Condition: Failed
- Location: Zone 400
- Stage of operation: DE
- How discovered: O
- Nature of condition: X
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA780JS032023

## Discrepancy

UPON DESCENT POWER WAS REDUCED FROM 94% TO APPROXIMATELY 77% WHEN THE LH ENGINE CONTINUED TO ROLL ALL THE WAY BACK. ENGINE WAS RE-LIT FOR LANDING. R/R FDU LEAK AND OPS CK GOOD.

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