Service difficulty report · Diaphragm

Difficulty date
September 30, 2008
Submitted
November 20, 2008
Operation
General aviation
Engine
Allsn 250C20B
Part
Diaphragm
Part number
23031938
Part serial
X48157
Condition
Cracked
Location
Nozzle
Part time
1,568 hours
Stage of operation
IN
How discovered
D
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

FLOURESCENT PENTRANT INSPECTION PRODUCED INDICATIONS AT 2 LOCATIONS ALONG BRAZING WHERE DIAPHRAGM AND OUTER RING ARE JOINED. INDICATIONS ARE APPROXIMATELY 1.60 AND 2.50 INCHES LONG, APPROX 180 DEGREES APART. VOIDS IN BRAZING ARE ALSO PRESENT AT 2 LOCATIONS. (K)