Service difficulty report · Carbon Seal · Beech 1900D

Difficulty date
January 23, 2003
Submitted
February 10, 2003
Operation
Air carrier
Make and model
Beech 1900D
Aircraft time
10,551 hours
Engine
Pwa PT6A67D
Propeller
Hartzl HCE4A3I
Part
Carbon Seal
Part number
3036777
Condition
Cracked
Location
Lt Engine
Stage of operation
CR
How discovered
C
Nature of condition
K, J
Precautionary procedure
E

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

What was found

(CAN) DURING CRUISE, CREW NOTICED OIL PRESSURE DROPPING AND ELECTED TO SHUTDOWN THE LT ENGINE AS A PRECAUTION. THE FLIGHT CONTINUED TO DESTINATION AND LANDED WITHOUT INCIDENT. THE AGB WAS REMOVED TO INVESTIGATE OIL LOSS THRU THE OVERBOARD VENT AND THE STARTER GENERATOR SPLINE, CARBON SEAL WAS FOUND CRACKED ALLOWING OIL TO VENT. SIX QUARTS WERE DISPLACED CAUSING THE OIL PRESSURE DROP.

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