# SDR 2018FA0000051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2018
- Submitted: February 5, 2018
- Operation: General aviation
- Aircraft: [N15GA](https://openairdocs.org/aircraft/N15GA), registered now
- Make and model: Beech 1900D
- Registry model: [Beech 1900D](https://openairdocs.org/model/beech-1900d) (OpenAirDocs)
- Aircraft serial: UE37
- Aircraft time: 763 hours, 37,458 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Duct
- Part number: 12991003392
- Condition: Damaged
- Location: Bleed Air Sys
- Stage of operation: IN
- How discovered: C
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2018FA0000051

## Discrepancy

LEFT TEMPERATURE CONTROLLER SENSOR MOUNT BASE BROKE AT THE BLEED AIR DUCT ASSEMBLY CREATING A HOLE LARGE ENOUGH TO PROHIBIT CABIN PRESSURIZATION AND PROMPTING A LT ENVIR OFF LIGHT. PHOTOS AND DRAWING PROVIDED.

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