# SDR UHL2002F00000

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 3, 2002
- Operation: Air carrier
- Aircraft: N816EX
- Make and model: Dhav DHC8102
- Aircraft serial: 329
- Engine: Pwa PW120
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Valve
- Part number: 7707277
- Part serial: 900930
- Condition: Stuck
- Location: Pk Tmp Cntrl Vlv
- Stage of operation: TX
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UHL2002F00000

## Discrepancy

SMOKE IN CABIN.  STARTED NR 2 ENGINE, THEN AFTER START OF NR 1 ENGINE, SMOKE IN COCKPIT.  UPON INSPECTION, DISCOVERED DUCT TEMPERATURE AT 60 DEGREE C, OIL BLEED SYSTEM CAUSED BY STUCK PACK TEMP-CONTROL VALVE (FULL HOT)  DISCONNECTED VALVE LINKAGE, CYCLED VALVE MANUALLY, RECONNECTED LINKAGE AND OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.