Service difficulty report · Spar · Beech 58

Difficulty date
February 15, 2021
Submitted
May 25, 2021
Operation
Air carrier
Aircraft
N577W
Make and model
Beech 58
Aircraft serial
TH375
Aircraft time
23,308 hours
Part
Spar
Condition
Cracked
Location
Carry Through
Part time
23,308 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 VISUAL INSPECTION REQUIRED BY AD 90-08-14 SPAR CARRY THRU INSPECTION CRACKS WERE FOUND RADIATING FROM THE OUTBOARD UPPER HUCKBOLT HOLE OUTWARD ON THE FORWARD AND AFT SIDES OF THE LEFT HAND FORWARD SPAR. THESE CRACKS WERE FOUND ABOVE THE INSPECTION AREA REQUIRED BY THE AD AND ALSO ABOVE THE AREA THAT THE KIT REPAIR COVERS. THIS AIRCRAFT HAS NOT FLOWN SINCE THE DISCOVERY DATE.

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