As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMPENNAGE APU AIR INLET DOOR CUT OUT MIDDLE STRAP FOUND CORROSION AT STATION 1825 STRINGER 3R - 6R AFTER APU AIR INLET DOOR HOUSING REMOVED. CORROSION REMOVED FOUND OUT OF LIMIT AS PER SRM 53-80-15 TABLE 101 ALLOWABLE DAMAGE 1 REV 112 & REPAIR CARRIED OUT AS PER SRM 53-80-15 FIG 202. REPAIR 2 DETAIL 1 REV 112. REPAIR CLASSIFIED AS MAJOR.