SDR 200700105

Service difficulty report · Spar Cap · Cvac PB4Y2

Difficulty date
January 31, 2007
Submitted
January 31, 2007
Operation
General aviation
Aircraft
N2871G
Make and model
Cvac PB4Y2
Aircraft serial
66302
Aircraft time
7,192 hours
Engine
Wright R260035
Propeller
Hamstd 23E50
System (JASC)
5711 · Wing Spar
Part
Spar Cap
Condition
Cracked
Location
Wing
Part time
7,192 hours
Stage of operation
IN
How discovered
V
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

WHILE PERFORMING THE REQUIREMENTS IN AD 2003-18-01, CRACKS WERE NOTED THRU-OUT THE WING. THE MAJOR CRACK IS A 1.5 INCH CRACK IN THE FWD LT LOWER SPAR CAP AFT ANGLE AT THE WING ATTACH POINT TO THE BELT FRAME. THE CRACK IS IN THE ANGLE (SPAR CAP AFT LEG), DOUBLER AND SPAR WEB. THERE ARE ALSO CRACKS .1250-.2500 INCH EMANATING FROM THE 4 BELT FRAME CUTOUTS ON THE LOWER WING.