As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED AIR LINE TO LT AIR CONDITIONING SYSTEM CHAFED BEYOND LIMIT AT LEG OF CIRCUMFERENTIAL STIFFENER ANGLE ON LT SIDE OF AFT PRESSURE BULKHEAD BETWEEN L12 AND L13. BLENDED CHAFE IAW DC9 SRM 53-01 AND FABRICATED BULKHEAD STIFFENER REPAIRS FROM 2024T3, .032, IAW DC9 SRM 53-01-10. TREATED, PRIMED AND INSTALLED IAW DC9 SRM 51-10-3 AND 51-30-2.