Service difficulty report · Pressure Switch · Doug DC873F

Difficulty date
January 25, 2011
Submitted
January 27, 2011
Operation
Air carrier
Aircraft
N155CA
Make and model
Doug DC873F
Aircraft serial
46073
Aircraft time
82,229 hours, 27,025 cycles
Engine
Ge CFM562C1
Engine time
28,932 hours, 18,345 cycles
Part
Pressure Switch
Part number
125831
Part serial
0052
Condition
Unreliable
Location
Nr 4 Oil Press
Part time
28,932 hours, 18,345 cycles
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
E

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

What was found

IN CRUISE NR 4 ENGINE LOW OIL PRESSURE LIGHT ON STEADY, ENGINE OIL PRESSURE INDICATOR 50 PSI . PERFORMED INFLIGHT ENGINE SHUTDOWN. WINDMILLING OIL PRESSURE 10 PSI.

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