# SDR QMLA2016071916082

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 19, 2016
- Submitted: July 21, 2016
- Operation: Air carrier
- Aircraft: [N913SM](https://openairdocs.org/aircraft/N913SM), registered now
- Make and model: Snias AS350B3
- Aircraft serial: 4600
- Aircraft time: 2,246 hours
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Clutch
- Condition: Failed
- Location: A/C Compressor
- Stage of operation: AA
- 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/QMLA2016071916082

## Discrepancy

NEW AIR CONDITIONER COMPRESSOR. POST-MAINTENANCE OPS CHECK WAS GOOD. ON THE RETURN LEG OF THE FIRST FLIGHT AFTER COMPRESSOR INSTALLATION, THE CREW STARTED TO DETECTED AN ODOR.  TURNED OFF THE A/C AND THE ODOR WENT AWAY.  DISCOVERED OVERHAULED AIR CONDITIONER COMPRESSOR CLUTCH THAT WAS INSTALLED THE DAY BEFORE HAD FAILED. A/C COMPRESSOR WAS REMOVED AND REPLACED WITH ANOTHER OVERHAULED COMPRESSOR.

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