As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(SUPPORT TASK) FOUND CORROSION ON TOP OF LH OUTBOARD MAIN TANK ( BETWEEN LH LONGERON Y1292 AND LH BULKHEAD) FORWARD OF FRAME 42 N EXT TO APU FUEL PUMP. () ACCOMPLISHED REPAIR OF LH O/B MAIN TANK PER FINAL EA 320-5711-13 -A2789 AND UAL EC/RA 5711-01168. ACCOMPLISHED BY AT BFM ST AEROSPACE MOBILE. NR#0020386