SDR 044935

Service difficulty report · Shaft · Beech 1900D

Difficulty date
November 11, 2002
Submitted
January 30, 2003
Operation
Air carrier
Aircraft
N233YV
Make and model
Beech 1900D
Aircraft serial
UE233
Aircraft time
14,672 hours, 20,923 cycles
Part
Shaft
Condition
Broken
Location
Fuel Pump
Part time
12 hours, 15 cycles
Component
Pump
Component part number
1143890425
Stage of operation
TX
How discovered
O
Nature of condition
K, J
Precautionary procedure
D

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

What was found

A REPORT OF THE RT ENGINE LEAKING FUEL FROM THE GANG DRAIN. IN THE REPORT THEY FOUND THE RT ENGINE DRIVEN LOW PRESSURE FUEL PUMP LEAKING DUE TO INTERNAL FAILURE. REMOVED AND REPLACED THE LT HAND PRESSURE FUEL PUMP. UPON RECEIPT OF THE TEARDOWN REPORT FROM THE VENDOR, THEY DISASSEMBLED THE PART FOR INSPECTION. THEY FOUND THAT THE RELEIF VALVE WAS PITTED AND SEAL WAS DAMAGED. ALL THE OTHER MAJOR COMPONENTS WERE WITHIN MANUFACTURING TOLERANCES. THE VENDOR PROCEEDED TO FIX THE PART. THEY LAPPED RELIEF VALVE AND HOUSING, REASSEMBLED WITH OVERHAUL KIT AND OVERHAULED AND TESTED AS PER MANUFACTURING SPECIFICATIONS. THEN IT WAS RETURNED TO SERVICE.

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