SDR 99ZZZX3805

Service difficulty report · Governor · Bell 206B

Difficulty date
September 18, 1999
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N108FH
Make and model
Bell 206B
Aircraft serial
2770
Engine
Allsn 250C20B
Part
Governor
Part number
23057870
Condition
Leaking
Location
Power Turbine
Stage of operation
IN
Nature of condition
O
Precautionary procedure
K

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

What was found

UNIT HAS SAL SEALS. EXTERIOR OF UNIT IS SOOTY, FITTINGS ARE SLIGHTLY RUSTY. AN AS-RECEIVED TEST WAS PERFORMED WITH THE FOLLOWING RESULTS: AT GOVERNOR BREAK TEST POINT 3.010, PR-PG LEAKAGE WAS AT 7.8 INCHES OF HG WITH NO SPEED APPLIED. PR-PG LEAKAGE IS SUPPOSED TO BE 1.2 INCHES OF HG AT 4,500 RPM. SUBMITTER STATED AS-RECEIVED TEST WAS DISCONTINUED SINCE STATIC PR-PG LEAKAGE FAR EXCEEDED THE CONDITIONS.

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