As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK-C MAINTENANCE, LONGERON 29L HAD CORROSION AT STA 370 TO 427. REMOVED CORRODED LONGERON STA 370 TO 484. INSTALLED NEW LONGERON. SPLICED PER SRM 53-02 FIG 18. INSTALLED HI-LOCKS PER SRM 51-30-5. INSTALLED RIVETS PER 51-30-2 OF THE SRM.