Service difficulty report · Shutoff Valve · Dhav DHC8102

Difficulty date
January 27, 2000
Submitted
January 19, 2001
Operation
Air carrier
Make and model
Dhav DHC8102
Aircraft time
18,718 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Shutoff Valve
Part number
7786951
Condition
Failed
Location
A/C Bay
Part time
7,365 hours, 9,198 cycles
Component
Air Conditioner
Stage of operation
CR
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) FLT CREW REPORTED AN OSCILLATION IN BLEED FLOW FROM NR 1 ENGINE INDICATIONS WERE: CHANGES IN SOUND OF AIRFLOW, ITT AND CABIN ALT FLUCTUATIONS.ENG PRESS/REG S/O VALVE REPLACED.