Service difficulty report · Spar · Beech 58

Difficulty date
April 2, 2018
Submitted
May 1, 2018
Operation
Air carrier
Aircraft
N525TM
Make and model
Beech 58
Aircraft serial
TH1832
Aircraft time
12,316 hours, 15,017 cycles
Engine
Cont IO550C
Engine time
1,668 hours, 1,734 cycles
Propeller
Mcauly 3AF32C512
System (JASC)
5711 · Wing Spar
Part
Spar
Part number
5842002213
Condition
Cracked
Location
Carry Through
Part time
12,316 hours, 15,017 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

DURING A ROUTINE INSPECTION, THE FORWARD CARRY-THRU SPAR AFT WEB WAS FOUND TO HAVE A SMALL CRACK IN THE UPPER RH CORNER. BEECHCRAFT FRONT SPAR CARRY THRU STRUCTURE REINFORCEMENT DOUBLER KIT 58-4008 HAD BEEN PREVIOUSLY INSTALLED. REPAIRS REQUIRED INSTALLATION OF AN ADDITIONAL DOUBLER ABOVE THE PREVIOUSLY INSTALLED KIT DOUBLER PER TEXTRON AVIATON ENGINEERING APPROVED DRAWING.

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