# SDR 39LA2013090900004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2013
- Submitted: September 9, 2013
- Operation: Air carrier
- Aircraft: N511AV
- Make and model: Dhav DHC8103
- Aircraft serial: 051
- Aircraft time: 56,622 hours, 62,755 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Duct
- Part number: 82110162005
- Condition: Separated
- Location: Cabin Air
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/39LA2013090900004

## Discrepancy

A/C PACK HOT CAUTION LIGHT CYCLED CONTINUOUSLY. AT 16K.  THERE WAS A BURNING ODOR ASSOCIATED WITH THE LIGHT AFTER SEVERAL MINUTES.  FOUND DUCT SEPARATED AT CABIN TRIM VALVE BLOWING HOT BLEED AIR INTO AFT ACCESSORY COMPARTMENT.  SECURED DUCTING RAN ENGINES BLEEDS HIGH FOR OVER 20 MINUTES NO ODORS OR LEAKS NOTED.  ALSO, NO ASSOCIATED CAUTION LIGHTS INDICATED.  CHECKED GOOD IAW MM 21-50-26 AND MM 21-11-00.

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