What was found
(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.
- 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
- 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
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.