Service difficulty report · Rib · Beech 76

Difficulty date
September 14, 1999
Submitted
October 31, 2000
Operation
General aviation
Aircraft
N6003Y
Make and model
Beech 76
Part
Rib
Part number
1051000102
Condition
Cracked
Location
Lt Wing
Part time
3,747 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

DURING A 100-HOUR INSPECTION INTERVAL, CRACKS WERE FOUND IN THE WING RIBS ADJACENT TO THE LEFT INBOARD AND OUTBOARD AILERON HINGE BEARING ATTACHMENT BRACKETS P/N 105-100011-51. BOTH CRACKS BEGAN AT THE AFT EDGE OF EACH RIB AND PROCEEDED FORWARD TO THE BOTTOM ATTACHING RIVET. REPAIRS MADE BY FABRICATING DOUBLERS FOR EACH RIB. (X)

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