As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0099919) 121 FINDING-LEFT FLAP OUTBOARD JACKSCREW AFT ATTACHMENT LINKAGE HAS A NUT NOT PROPERLY SECURED. THE NUT DOES NOT LINE UP WITH COTTER PIN HOLE AND THE COTTER PIN IS NOT INSTALLED. TIGHTENED AND INSTALLED CORRECTLY NUT AT LEFT FLAP OUTBOARD JACKSCREW AFT ATTACHMENT LINKAGE IAW B737 AMM 27-51-23.