What was found
AUXILIARY POWER UNIT COMPARTMENT CORRODED AT BS 1156 REMOVED DAMAGED SECTION OF FRAME FABRICATED AND INSTALLED REPAIR FILLER AND DOUBLER FROM SRM, AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AUXILIARY POWER UNIT COMPARTMENT CORRODED AT BS 1156 REMOVED DAMAGED SECTION OF FRAME FABRICATED AND INSTALLED REPAIR FILLER AND DOUBLER FROM SRM, AIRCRAFT RETURNED TO SERVICE.