As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING MX WALKAROUND, MX FOUND 1 EA CRACK ON THE NR 1 ENGINE THRUST REVERSER LWR ACCESS DOOR (PN: 9071M77G12). DAMAGE LOCATED AT 6 O'CLOCK POSITION. THE CRACK IS APPROX 2.0625 IN LONG. (IAW AMM 78-11-01 THE LENGTH OF THE CRACK IS OUT OF LIMITS. DISPOSITION IS TO STOP DRILL THE ENDS OF THE CRACK WITH A 0.098" - 0.125" DIAMETER HOLE (DRILL BIT); DVI EVERY 3 FLIGHT CYCLES; AND REMOVAL/REPLACEMENT OF THE PART PRIOR TO THE ACCUMULATION OF 1,000 FH (FLIGHT HOURS) AFTER PART 1.)