# SDR VNAA2023112711101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 24, 2023
- Submitted: November 27, 2023
- Operation: Air carrier
- Aircraft: [N590NN](https://openairdocs.org/aircraft/N590NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15393
- Aircraft time: 17,223 hours, 15,436 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Check Valve
- Part number: 400125
- Part serial: 2357
- Condition: Unserviceable
- Location: 400
- Part time: 14,516 hours, 13,033 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: X, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2023112711101

## Discrepancy

FLIGHT 5156 HAD MULTIPLE RH ENGINE FLAME OUTS WHILE ENROUTE. THE CREW WAS ABLE TO RELIGHT AND STABILIZE THE RH ENGINE/ REMOVED AND REPLACED THE RH ENGINE 6TH STAGE CHECK VALVE IAW CRJ900 AMM 36-11-03-000/400-801. PERFORMED BORESCOPE INSPECTION OF RH ENGINE COMBUSTION LINER AND STAGE 1 NOZZLE ASSEMBLY IAW CRJ 900 AMM 72-44-00-290-801 AND STAGE 1 HPT ROTOR BLADES IAW CRJ 900 AMM 72-51-01-290-804 AND GE LMM 72-00-00 INSPECTION 003 SUBTASK 72-00-00-221-004. NO DAMAGE NOTED. PERFORMED THE RH ENGINE POWER ASSURANCE CHECK IAW CRJ 900 AMM 71-00-00-720-804. ALL READINGS WITHIN LIMITS. RESULTS ATTACHED. OP CHECKS GOOD.

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