# SDR VNAA2025010311101

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2024
- Submitted: January 8, 2025
- Operation: Air carrier
- Aircraft: [N560NN](https://openairdocs.org/aircraft/N560NN), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15345
- Aircraft time: 22,922 hours, 20,458 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: GG670950097
- Part serial: 02147
- Condition: Smoke
- Location: Zone 100
- Part time: 21,933 hours, 19,557 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VNAA2025010311101

## Discrepancy

AFTER THE LH ENGINE WAS STARTED, THERE WAS FUMES AND A LIGHT HAZE THROUGHOUT THE CABIN AND COCKPIT. THE PLANE WAS DEBOARDED AND NO MEDICAL ATTENTION WAS REQUIRED. THE FUMES AND SMOKE WENT AWAY AFTER THE ENGINES WERE SHUT DOWN. / REMOVED AND REPLACED ACM IAW CRJ 900 AMM 21-51-08-000/400-801-A01. ACM OPS CHECK GOOD. REMOVED AND REPLACED LH TEMPERATURE CONTROL VALVE IAW AMM 21-51-20-000/400-801-A01. OPS TESTED AND LEAK TESTED GOOD. NO FUME SMELL NOTED IN COCKPIT OR CABIN DURING OPERATION OFF OF EITHER BLEED SOURCE.

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