SDR 96ZZZX1720

Service difficulty report · Seal

Difficulty date
September 28, 1995
Submitted
March 26, 2000
Operation
General aviation
Filed by
DSCR311D
National Flight Services Inc
Engine
Garrtt TPE33112UHR
Part
Seal
Part number
31038391
Condition
Flange Cracked
Location
Turb 1st Stage
Part time
10,385 hours
Component
31033152
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 SCHEDULED HOT SECTION INSPECTION, FOUND AIR SEAL CRACKED AT FLANGE APPROXIMATELY 19 PLACES. SUGGEST ALLIED SIGNAL ENGINEERING REVIEW PROBLEM. SUBMITTER STATED THIS IS A CRITICAL LIFE-LIMITED COMPONENT. LIFE LIMIT - 20,000 CYCLES. THIS IS THE 16TH ROTATING AIR SEAL FOUND CRACKED, 16TH M OR D REPORT FILED ON THIS PART. PART TOTAL CYCLES 10,734.