Service difficulty report · Spar · Cessna 421C

Difficulty date
March 17, 2000
Submitted
April 27, 2000
Operation
General aviation
Aircraft
N60RR
Make and model
Cessna 421C
Aircraft serial
421C0885
System (JASC)
5711 · Wing Spar
Part
Spar
Condition
Cracked
Location
Lt Wing
Part time
6,547 hours
Stage of operation
IN
How discovered
O
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

A CRACK INDICATION WAS NOTED IN THE LT FORWARD UPPER WING SPAR. THE CRACK INDICATION IS ABOVE THE OUTBOARD HI-LOK AND RUNS SPANWISE. THE INDICATION IS .765 INCH PLUS/MINUS LONG AND IS .3401 PLUS/MINUS ABOVE THE HI-LOK. INSPECTION WAS PERFORMED PER AD 91-25-08R1. (X)

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