Service difficulty report · Shutoff Valve · Doug DC873

Difficulty date
January 15, 2005
Submitted
January 17, 2005
Operation
Air carrier
Aircraft
N803DH
Make and model
Doug DC873
Aircraft serial
46123
Part
Shutoff Valve
Part number
3978921
Part serial
AEX13522
Condition
Failed
Location
Starter
Part time
3,567 hours, 1,122 cycles
Component
Starter
Component part number
350515422
Stage of operation
CL
How discovered
O
Nature of condition
K, S, J
Precautionary procedure
E

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

What was found

START VALVE OPEN LIGHT ILLUMINATED NEAR TOP OF CLIMB, OIL PRESSURE LIGHT ILLUMINATED AND ENGINE WAS SHUTDOWN WITH 10 PSI OF OIL PRESSURE ON GAUGE AND 0 OIL QUANTITY SHUTDOWN NR 3 ENGINE AT 22:05. FOUND STARTER FAILED WHICH CAUSED OIL LOSS. REMOVED AND REPLACED NR 3 ENGINE STARTER AND STARTER SHUTOFF VALVE. PERFORMED ENGINE RUN ON NR 3 ENGINE (HIGH POWER) IAW JRH STARTER AND STARTER SHUTOFF OPS AND LEAK CHECKS GOOD IAW 80-10-1. FOUND DAMAGE TO NR 3 ENGINE RT FAN COWL CAUSED BY STARTER FAILURE. REMOVED AND REPLACED 3 ENGINE RT FAN COWL DOOR IAW 71-10-2.

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