Service difficulty report · Spar · Skrsky S76B

Difficulty date
February 21, 2008
Submitted
April 9, 2008
Operation
General aviation
Aircraft
N780P
Make and model
Skrsky S76B
Aircraft serial
760359
Engine
Pwa PT6*
Part
Spar
Part number
7610105017045
Part serial
A11602002X
Condition
Cracked
Location
T/R Blade
Part time
2,905 hours
Stage of operation
IN
How discovered
9
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 A ROUTINE INSP A SLIGHT, OCCASIONAL CLICK WAS HEARD WHILE FLEXING TAIL ROTOR BLADE. BLADE ASSY PN 761005501042, SN A245-00153 WAS REMOVED FOR PRECAUTIONARY MEASURES SENT FOR INSPECTION/ EVALUATION. UPON DISASSEMBLY AND INSPECTION SPAR WAS FOUND TO HAVE CRACKS COMING FROM ELLIPTICAL PLUG AREA. SPAR WAS SUBSEQUENTLY CHANGED, BLADE INSPECTED AND RETURNED TO SERVICEABLE CONDITION. SCRAPED SPAR.