What was found
DURING D-CHECK, MAINTENANCE FOUND CORROSION ON FRAME IN BOLT HOLES BETWEEN STRINGERS 21L AND 21R, BS 360. INSTALLED REPAIR PER UPS EO B727-5310-6725.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING D-CHECK, MAINTENANCE FOUND CORROSION ON FRAME IN BOLT HOLES BETWEEN STRINGERS 21L AND 21R, BS 360. INSTALLED REPAIR PER UPS EO B727-5310-6725.