As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 1C INSPECTION, TASK 419-012 REVEALED A CRACK IN LEFT NACELLE UPPER HALF FRAME. THE CRACK WAS .52 LONG AND STARTED AT A NUTPLATE FASTENER. THE NUTPLATE IS ONE OF FOUR INSTALLED TO ATTACH THE EXHAUST DUCT MOUNT BRACKET. REPAIRED HALF-FRAME USING AERODESIGN REPORT 2524-2.