# SDR DXTA201510056100

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2015
- Submitted: October 6, 2015
- Operation: Air carrier
- Aircraft: [N624QS](https://openairdocs.org/aircraft/N624QS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605302
- Aircraft time: 11,100 hours, 8,867 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Display
- Part number: 1E642
- Part serial: 4BD91
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: CR
- 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/DXTA201510056100

## Discrepancy

APU ON & BLEED ON, TEMP WENT RAPIDLY TO 250 DEGREES & THEN AIR DUCT O'HEAT ANNUNCIATOR ILLUMINATED, FOLLOWED BY A VERY STRONG ACRID SMOKY SMELL IN THE CABIN.  BLEED AIR WAS TURNED OFF & FULL MANUAL COLD SELECTED, BUT THE SMELL OF SOMETHING BURNING CONTINUED.  APU WAS SECURED.  NEED EVALUATION FOR COLLATERAL DAMAGE.  R & R THE TEMP CONTROL DISPLAY UNIT IAW MM 21-51-00.  SYS OPERATIONS CHECKED GOOD.

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