Service difficulty report · Valve · Beech 1900C

Difficulty date
April 12, 2001
Submitted
May 25, 2001
Operation
Air carrier
Make and model
Beech 1900C
Aircraft time
22,327 hours
Engine
Pwa PT6A65B
Part
Valve
Condition
Leaking
Location
Pre Cooler
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) P3 AIR LEAKING THROUGH PRE COOLER VALVE (BYPASS) CAUSED INABILITY TO PRESSURE CABIN ON LT SIDE.

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