What was found
DURING OP 16 MAINT CHECK, FOUND EXTERNAL DOUBLER INSTALLED AT FS 800, LONG 16R. INSTALLED CLASS I REPAIR DOUBLER PER SRM 53-04, FIG 12B.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING OP 16 MAINT CHECK, FOUND EXTERNAL DOUBLER INSTALLED AT FS 800, LONG 16R. INSTALLED CLASS I REPAIR DOUBLER PER SRM 53-04, FIG 12B.