As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN)A 2 CM CRACK WAS DETECTED DURING A ROUTINE INSPECTION ON THE LEFT HAND MAIN FUEL TIP TANK REAR BULKHEAD ASSEMBLY ADJACENT TO WHERE IT ATTACHES TO THE MAIN WING REAR SPAR. SUBMITTER SUGGESTS THAT OTHER OPERATORS OF TWIN ENGINE CESSNA AIRCRAFT EQUIPPED WITH TIP TANKS SHOULD PAY PARTICULAR ATTENTION TO POTENTIAL CRACKS IN THIS AREA.