Service difficulty report · Cross Tie · Beech B300

Difficulty date
February 11, 2010
Submitted
March 1, 2010
Operation
General aviation
Make and model
Beech B300
Aircraft time
8,862 hours
Engine
Pwa PT6A60A
Propeller
Hartzl HCB4MP3
Part
Cross Tie
Part number
974300000149
Condition
Cracked
Location
Rt Fuselage
Part time
8,894 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

(CAN) WHILE CARRYING OUT 10000 CYCLE INSP, (INITIAL) FOUND RT AFT EMERGENCY EXIT CROSS TIE CRACKED. CRACK TERMINATES AT RIVET HOLE. THIRD INSTANCE IN THIS FLEET, ALL BETWEEN 5000 AND 10000 CYCLES. CRACK APPEARS TO ORIGINATE DUE TO ROUGH MACHINED SURFACE ON INNER RADIUS OF THE CROSS TIE, FROM MFG. CRACK REPAIRED IAW FIELD REPAIR FROM MFG. (TC 20100212004)

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