# SDR VE7A2020081700001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 11, 2020
- Submitted: August 18, 2020
- Operation: Air carrier
- Aircraft: [N745TX](https://openairdocs.org/aircraft/N745TX), registered now
- Make and model: Bolkms BK117C2
- Aircraft serial: 9295
- Aircraft time: 5,998 hours, 17,385 cycles
- System (JASC): [2110 · Cabin Compressor System](https://openairdocs.org/jasc/2110)
- Part: Compressor
- Part number: 10356074
- Part serial: 409D214058
- Condition: Slipped
- Location: Zone 200
- Stage of operation: CL
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/VE7A2020081700001

## Discrepancy

CREW ABORTED FLIGHT DUE TO SMELL COMING FROM AIR CONDITIONING VENTS. NO CAUTION/WARNING MESSAGES GIVEN.  FOUND COMPRESSOR BELT TWISTED AND BURNED. HAVE HAD ONE OTHER OCCURRENCE A COUPLE OF DAYS PRIOR OF CREW DESCRIBING A "BURNING SMELL" FROM AIR CONDITIONING SYSTEM WITH NO FINDINGS OR DISCREPANCIES GIVEN. BELT WAS REPLACED A MONTH EARLIER DUE TO TEARING. WITH THE COLLECTIVE DISCREPANCIES GIVEN OVER TIME, DETERMINED CLUTCH MAY BE SLIPPING.

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