Service difficulty report · Bolt · Beech A100

Difficulty date
October 8, 2015
Submitted
April 22, 2016
Operation
General aviation
Make and model
Beech A100
Aircraft time
28,254 hours
Engine
Pwa PT6A28
Propeller
Hartzl HCD4N3C
Part
Bolt
Part number
817841432
Condition
Cracked
Location
Wing
Part time
439 hours
Stage of operation
IN
How discovered
D
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

(CAN) DEFECT INDICATIONS WERE NOTED DURING LIQUID PENETRANT INSPECTION OF BOTH FORWARD UPPER AND LOWER WING ATTACHMENT BOLTS ON THE LT AND RT SIDES WHILE COMPLETING INSPECTION REQUIREMENT OF AD CF-81-25-R6. ALL 4 BOLTS, 2 OF PN 81784-14-32 LOWER FWD BOLTS AND 2 OF PN 81785-12-23, UPPER FWD WERE REPLACED. THE LOWER FWD BOLTS, PN 81784-14-32 HAD 439.2 HRS SINCE INSTALLATION. THE UPPER FORWARD BOLTS HAD 10682.2 HRS SINCE INSTALLATION.

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