Service difficulty report · Lock Tab · Skrsky S64E

Difficulty date
January 25, 2023
Submitted
January 25, 2023
Operation
General aviation
Make and model
Skrsky S64E
Engine
Pwa JT12*
Engine time
44,910 hours
Part
Lock Tab
Part number
536211AA
Condition
Broken
Location
4th Stage Com Di
Part time
1,283 hours
Stage of operation
LD
How discovered
V
Nature of condition
M
Precautionary procedure
K

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

What was found

AIRCRAFT HAD JUST LANDED WHEN ENGINE WENT HOT AND STOPPED. ENGINE REMOVED AND SENT TO THIS REPAIR STATION. UPON DISASSEMBLY OF ENGINE A 4TH STAGE TABLOCK HAD FAILED ALLOWING THE 4TH STAGE COMPRESSOR BLADE TO MOVE AND CAUSE DAMAGE TO THE REST OF THE ENGINE. DAMAGE WAS SEVERE ANG CAUSED ENOUGH DOD THE ENGINE BLEED BAND COULD NOT OPERATE CAUSING THE OVERTEMP. THIS TABLOCK IS A PMA PART MANUFACTURED BY ABLE ENGINEERING. PART NUMBER 536211AA. A PREVIOUS SDR WAS SUBMITTED ON THIS PART, JYDR20220209040. PART MANUFACTURE WILL BE NOTIFIED AND PICTURES SUBMITTED.