As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD CARGO PIT AFT BULKHEAD STATION 500L FROM TRANSITION PLN LEFT TO RIGHT AND ON UP RITE STRUCTURE HAS EXFOLIATED CORROSION. GROUNDED - YES. FOUND R/H AND BOTTOM BULKHEAD ANGLES AT STATION 500L TO BE OUT OF LIMITS DO TO NO LIMITS GIVEN. REMOVED AND REPLACED 2(EA) BULKHEAD ANGLES IAW B737-900ER SRM 51-40-02, SRM 51-40-05 AND BAC DWG 143A9481 REV:A REMOVED DOT.