# SDR 2023FA0000104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2023
- Submitted: March 1, 2023
- Operation: General aviation
- Aircraft: [N80VM](https://openairdocs.org/aircraft/N80VM), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0455
- Aircraft time: 5,862 hours, 4,063 cycles
- System (JASC): [7311 · Engine Fuel/Oil Cooler](https://openairdocs.org/jasc/7311)
- Part: Fuel/Oil Cooler
- Part number: 121535
- Part serial: PP1474
- Condition: Failed
- Location: Zone 400
- Part time: 5,417 hours, 3,761 cycles
- Component: Engine, Wilint, FJ443A
- Component part number: 67000200
- Stage of operation: TO
- How discovered: C
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2023FA0000104

## Discrepancy

WE HAVE HAD MULTIPLE ABORTED TAKE-OFFS FOR "FUEL BOOST ON" CAS MESSAGE DISPLAYED ON BOTH ENGINES WITH OTHER INSTANCES ON OUR OTHER 525B'S. ALL DEFECTS HAVE BEEN TRACED TO OIL/FUEL HEAT EXCHANGER BECOMING BLOCKED WITH DEBRIS. RESULTING IN THE COMPONENT BEING REPLACED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.