# SDR DXTA2009030903534

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2009
- Submitted: March 9, 2009
- Operation: Air carrier
- Aircraft: [N691QS](https://openairdocs.org/aircraft/N691QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605290
- Aircraft time: 5,961 hours, 4,746 cycles
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Coalescer Bag
- Condition: Dirty
- Location: Cabin Air
- 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/DXTA2009030903534

## Discrepancy

WITH THE APU RUNNING AND THE BLEED AIR OFF. THERE WAS A STRONG ODOR OF ELECTRICAL WIRES MELTING. ODOR WAS COMING FROM THE REAR OF THE CABIN. THE APU GEN WAS ON. CONFIRMED DISCREPANCY, FOUND SMELL COMING FROM A/C COOLING VENTS NOT FLOOR HEAT VENTS. CHECKED ALL DUCTS FOR LEAKS IN APU COMPARTMENT, NO LEAKS ON BURNED WIRES. FOUND WATER SEPARATOR SOCK DIRTY CLEANS IAW MM CH 25-51-00. PARA (4) OPS CHECK GOOD.

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