Service difficulty report · Housing · Beech 1900C

Difficulty date
April 6, 1999
Submitted
May 2, 2000
Operation
Air carrier
Aircraft
N41UE
Make and model
Beech 1900C
Aircraft serial
UC41
Engine
Pwa PT6A65B
Part
Housing
Part number
310732401
Condition
Eroded
Location
Scav Pump
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ON PREFLIGHT INSPECTION, NOTICED OIL LEAKING FROM NR 2 ENGINE. FOUND PIN HOLE IN ENGINE SCAVENGE PUMP HOUSING. TEAR DOWN INSPECTION REVEALED DEEP CAVITATION WEAR THAT HAD PERFORMED THE PUMP BODY WALL. THIS PUMP HOUSING WAS IN COMPLIANCE WITH PWA S/B 13088 CONCERNING REWORK OF THE HOUSING TO ALLEVIATE THIS PROBLEM. (M)

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