SDR 98ZZZX53

Service difficulty report · Disk

Difficulty date
December 10, 1997
Submitted
March 26, 2000
Operation
General aviation
Engine
Pwa JT9D7
Part
Disk
Condition
Cracked
Location
Stage 8
Part time
29,864 hours
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

DURING COMPLEX INSPECTION (INCOMING INSP), ONE DOVETAIL WAS DISCOVERED DEFECTIVE. CRACK WAS ALONG THE WALL OF THE PRESSURE FACE CONTINUING ON THROUGH APPROXIMATELY HALF-WAY. THIS CRACK HAS THE CRITERIA ON THE DOVETAIL TO CAUSE LIBERATION.