# SDR CA020605005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 24, 2002
- Submitted: June 13, 2002
- Operation: Air carrier
- Make and model: Dhav DHC8102
- Aircraft time: 41,160 hours
- Engine: Pwa PW120A
- Propeller: Hamstd 14SF7
- System (JASC): [2100 · Air Conditioning System](https://openairdocs.org/jasc/2100)
- Part: Pin
- Part number: 311325001
- Condition: Misaligned
- Location: Air Press Valve
- Part time: 41,322 hours, 46,943 cycles
- Stage of operation: DE
- 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/CA020605005

## Discrepancy

(CAN) FLIGHT CREW REPORTED SMOKE DURING DESCENT.  AFTER INVESTIGATION FOUND THAT THE GUIDE PIN OF THE P2.5/3 AIR VALVE WAS MISALLIGNED IN THE SLOT OF THE SEAT ASSY CAUSING THE MALFUNCTION OF THE VALVE ASSY.

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