# SDR REXA2024041000351

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2024
- Submitted: April 11, 2024
- Operation: Air carrier
- Aircraft: [N920XJ](https://openairdocs.org/aircraft/N920XJ), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15167
- Aircraft time: 35,700 hours, 25,037 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: GG670950097
- Condition: Inoperative
- Location: Left
- Stage of operation: CR
- 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/REXA2024041000351

## Discrepancy

RECEIVED L PACK AUTOFAIL CAUTION ARRIVING TO GATE. DURING THE FLIGHT HAD LIGHT SMOKE AND ASH FROM AIR VENTS.  REPLACED ACM IAW JOBCARD 900-21-310-902. ALSO REPLACED THE TEMP CONTROL VALVE AND PACK SENSOR AND REPLACED O-RINGS FOR THE DUCT TO THE HEAT EXCHANGER IAW AMM 21-51-08. NO LEAKS NOTED. ALL OPS CHECK GOOD.

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