What was found
DURING CHECK-C MAINT AT THE AFT LT LAVATORY, CORROSION WAS FOUND ON THE AFT PRESSURE BULKHEAD, STA 1338 FROM CUSP TO LONGERON 21L. REMOVED CORROSION. INSTALLED REPAIR DOUBLERS ON AFT PRESSURE BULKHEAD PER ARA 17570, PAGE 1 AND 2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CHECK-C MAINT AT THE AFT LT LAVATORY, CORROSION WAS FOUND ON THE AFT PRESSURE BULKHEAD, STA 1338 FROM CUSP TO LONGERON 21L. REMOVED CORROSION. INSTALLED REPAIR DOUBLERS ON AFT PRESSURE BULKHEAD PER ARA 17570, PAGE 1 AND 2.