As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) RETENTION CABLE FOUND BROKEN ON EXHAUST STACK. FLIGHT WITH BROKEN RETENTION CABLE NOT PERMITTED IAW EASA AD 2012-0022. INVESTIGATION FOUND STACK NOT MFG TO MFG SPECIFICATIONS PLACING STRAP UNDER TENSION. STRAP RETAINING RIVETS SHOULD HAVE A SPACING OF 72.5MM +0 -0.5. ACTUAL SPACING FOR ALL 3 STRAPS FOUND TO BE BETWEEN 75.25MM - 77.07MM. MFG INFORMED OF PROBLEM AND WILL ADVISE FURTHER ACTION.