SDR 97ZZZX97

Service difficulty report · Nozzle Shield · Skrsky S76

Difficulty date
November 7, 1996
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N5447C
Make and model
Skrsky S76
Aircraft serial
760180
Engine
Allsn 250C30
Part
Nozzle Shield
Part number
6892828
Condition
Damaged
Location
1st Stg 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

THE NR 2 ENGINE FIRST STAGE TURBINE NOZZLE SHIELD WAS FOUND TO HAVE AN .8750 INCH BY 1.75 INCH SECTION MISSING AT THE 6 O'CLOCK POSITION. THIS DEFECT WAS FOUND DURING A ROUTINE INSPECTION. IT WAS SEEN THROUGH THE FUEL NOZZLE MOUNTING HOLE. AFTER REMOVAL OF PART, ALLISON CEB 72-3208 WAS PERFORMED ON THE PART. THE NOZZLE SHIELD PASSED THE TEST WHICH IS USED TO DETERMINE IF THE NOZZLE WAS MADE OF THE PROPER MATERIAL.