# SDR XCGA285DX3519

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2019
- Submitted: March 5, 2019
- Operation: Air carrier
- Aircraft: N285DX
- Make and model: Gulstm G280
- Aircraft serial: 2026
- Aircraft time: 2,192 hours, 1,672 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Acm
- Part number: 22222521
- Condition: Seized
- Location: Ac Bay
- Part time: 2,192 hours, 1,672 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: J, B
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/XCGA285DX3519

## Discrepancy

FLIGHT CREW REPORTED A LOUD NOISE AND SIMULTANEOUS ACS PACK TURBINE HOT CAS MESSAGE ILLUMINATION WHILE RUNNING APU AND AIR CONDITIONING PACK. CREW OBSERVED SMOKE IN THE CABIN AND SHUT DOWN THE PACK AND APU. MAINTENANCE REPORTED THE AIR CYCLE MACHINE HAD FAILED, THE TURBINE IS SEIZED.

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