As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACK WAS FOUND ON THE FRAME HOLES WHICH ATTACH THE BRACKET BETWEEN STRINGER 8L - STRINGER 9L, STATION 440 L =0.1 INCH. PERFORMED IAW UAL ECRA 5310-06001 PART 1 & 737EN-53-0 241. INITIATED A DIP TO INDICATE THE REPAIR IS A CAT B REPAIR A NEW FAA FORM. INSTALLED, NEEDS 14CFR26.43 D.