Service difficulty report · Bypass Valve · Bombdr DHC8400

Difficulty date
October 22, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Bombdr DHC8400
Aircraft time
1 hours
Engine
Pwc PW150A
Part
Bypass Valve
Part number
8209145
Condition
Failed
Location
A/C Pack
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

(CAN) DURING CLIMB AT 12000` "FLT COMPT DUCT HOT" CAUTION ILLUMINATED, SHORTLY FOLLOWED BY "CABIN PACK HOT". FLT COMPT SWITCHED OFF AND DESCENT INITIATED FROM 20000`. CABIN ALT CONTINUED TO CLIMB AND "CABIN PRESS" WARNING RECEIVED. EMERGENCY DESCENT AND DIVERTED TO MAN. PAN DECLARED. FDR/CVR CBS PULLED.