# SDR 6CBA2019090519187

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 5, 2019
- Submitted: September 9, 2019
- Operation: Air carrier
- Aircraft: [N721AF](https://openairdocs.org/aircraft/N721AF), registered now
- Make and model: Pilats PC1247E
- Aircraft serial: 1721
- Aircraft time: 2,230 hours, 2,118 cycles
- Engine: Pwc PT6A67P
- Engine time: 2,230 hours, 2,118 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Odor
- Location: Cockpit
- 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/6CBA2019090519187

## Discrepancy

PROBLEM: THE FLIGHT CREW REPORTED " BURNING SMELL COMING FROM ACS SYSTEM". RESOLUTION: MAINTENANCE WAS DISPATCHED TO THE AIRCRAFT, THE FOLLOWING ACTION WAS ACCOMPLISHED " VISUALLY INSPECTED ACS DUCTING AND CLAMPS AND ENGINE COMPARTMENT. NO DEFECTS NOTED. RAN AIRCRAFT AND HEAT FOR 10 MIN IAW AMM 12-B-71-00-00-00A-903S-A. OPS CHECK GOOD. NO SMELLS. THE AIRCRAFT WAS RELEASED.

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