As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT AIR CONDITIONING PACK FLOW CONTROL VALVE SENSE TUB GOUGED LT KEELBEAM AT STA 590, LBL 6.50, ORIGINAL KEEL BEAM MATERIAL THICKNESS .045 GOUGE DEPTH .025, OUT OF LIMITS PER SRM 53-60-12. LT AC PACK FLOW CONTROL VALVE SENSE TUBE HAS A SMALL CLEARANCE TO THE KEEL BEAM AND WILL GOUGE THE KEELBEAM IF NOT INSTALLED CORRECTLY.