Service difficulty report · Spar · Beech 58

Difficulty date
March 26, 2003
Submitted
April 11, 2003
Operation
Air carrier
Aircraft
N18447
Make and model
Beech 58
Aircraft serial
TH883
Engine
Cont IO520*
System (JASC)
5711 · Wing Spar
Part
Spar
Part number
0024300187
Condition
Cracked
Part time
12,810 hours
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

AT ANNUAL INSPECTION, CRACKS WERE FOUND IN FORWARD AND AFT CARRY THRU SPAR WEB FACES. THE CRACKS WERE FOUND ABOVE THE INSTALLED WEB REPAIR KITS AT THE UPPER SPAR FITTINGS. THESE NEW CRACKS APPEAR TO HAVE BEEN CAUSED BY THE INSTALLATION OF THE WEB REPAIR KITS TRANSFERING STRESS TO THE UPPER CORNERS OF THE WEBS. (AD-90-08-14)

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