Service difficulty report · Bleed Valve · Dorner DO328100

Difficulty date
August 13, 1998
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N439JS
Make and model
Dorner DO328100
Aircraft serial
3057
Engine
Pwa PW119B
Propeller
Hartzl HDE6C3B
Part
Bleed Valve
Part number
4067B000
Condition
Failed
Location
Lt Engine
Part time
69,309 hours
Stage of operation
TX
Nature of condition
J
Precautionary procedure
D

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

What was found

DURING THE TAXI FOR TAKEOFF, A HIGH PRESSURE BLEED SYSTEM FAIL WARNING MESSAGE ILLUMINATED. THE AIRCRAFT RETURNED TO THE GATE. OUTSTATION MAINTENANCE INSPECTED AND DEFERRED THE LEFT HAND ENGINE HP BLEED SYSTEM, IN ACCORDANCE WITH THE MINUMUM EQUIPMENT LIST. ON 17 AUG 98 MAINTENANCE INSPECTED AND REPLACED THE LEFT HAND HIGH PRESSURE BLEED VALVE IN ACCORDANCE WITH DORNIER MAINTENANCE MANUAL 36-11-07. OPERATIONAL CHECKS WERE COMPLETED AND THE DEFERRAL WAS REMOVED FROM THE AIRCRAFT.