What was found
SJO - DURING Q-CHECK, FOUND CORROSION ON FRAME LOWER FLANGE AT BS 335, BETWEEN 27L AND 28L. REPAIRED FRAME LOWER FLANGE AT BS 335 FROM 28L TO 27L IAW SRM 53-10-4, FIG 4. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
SJO - DURING Q-CHECK, FOUND CORROSION ON FRAME LOWER FLANGE AT BS 335, BETWEEN 27L AND 28L. REPAIRED FRAME LOWER FLANGE AT BS 335 FROM 28L TO 27L IAW SRM 53-10-4, FIG 4. (M)