Service difficulty report · Attach Fitting · Beech B99

Difficulty date
August 30, 2007
Submitted
October 12, 2007
Operation
Air carrier
Aircraft
N199WA
Make and model
Beech B99
Aircraft serial
U154
Aircraft time
34,399 hours, 66,416 cycles
Part
Attach Fitting
Part number
501200744
Condition
Cracked
Location
Lt Wing
Part time
34,399 hours, 66,416 cycles
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

LEFT HAND UPPER FWD WING ATTACH FITTING (INBOARD) WAS FOUND WITH CRACK DURING DYE PENETRANT INSPECTION IN ACCORDANCE WITH SRM AND AD 92-15-13. CRACK WAS ON THE TOP OF THE FITTING WRAPPING AROUND INTO THE COUNTER BORE RADIUS WITH THREE MICRO CRACKS NEXT TO IT. FITTING WAS REPLACED WITH FACTORY NEW PART. LEFT HAND LOWER FWD WING ATTACH FITTING (INBOARD) BOLT HOLE WAS FOUND TO BE ELONGATED DURING INSPECTION IN ACCORDANCE WITH AD 92-15-13. FITTING WAS REMOVED AND MODIFIED / REPAIRED IN ACCORDANCE WITH HAWKER BEECHCRAFT CORP. FIELD REPAIR DRAWING FR-CO-01604, REINSTALLED AND RETURNED TO SERVICE.

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