# SDR VNAA202304121111

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2023
- Submitted: April 12, 2023
- Operation: Air carrier
- Aircraft: [N585NN](https://openairdocs.org/aircraft/N585NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15388
- Aircraft time: 16,365 hours, 14,636 cycles
- System (JASC): [7300 · Engine Fuel and Control](https://openairdocs.org/jasc/7300)
- Part: Fmu
- Part number: 4120T01P02
- Part serial: WYGF3746
- Condition: Unserviceable
- Location: 400
- Part time: 16,365 hours, 14,671 cycles
- Stage of operation: DE
- How discovered: V
- Nature of condition: X
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA202304121111

## Discrepancy

L ENGINE FLAMEOUT CAUTION MESSAGE IN FLIGHT, N1 AND N2 BOTH DECREASED MOMENTARILY THEN CAME BACK TO NORMAL INDICATIONS L ITT EXCEED C MESSAGE FOLLOWED / COMPLIED LH ENGINE BORESCOPE INSP. OF THE STAGE 1 AND 2 HPT, COMBUSTION LINER AND TURBINE NOZZLE IAW CRJ 900 AMM 72-44-00-290-801 AND 72-51-01-290-801. NO DEFECTS NOTED AT THIS TIME. REMOVED AND REPLACED LH FUEL METERING UNIT IAW CRJ 900 AMM 73-21-03-000/400-801. LEAK AND OPS CHECK GOOD.

---
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.