What was found
DURING HEAVY CHECK, INTERNAL FUSELAGE FRAME 21 HAD TWO FLAWED HOLES, INBD & OTBD OF STRINGER 5L. REPLACED IAW SRM 51-25-01, 51-25-02 AND 51-25-04 REV. 122.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK, INTERNAL FUSELAGE FRAME 21 HAD TWO FLAWED HOLES, INBD & OTBD OF STRINGER 5L. REPLACED IAW SRM 51-25-01, 51-25-02 AND 51-25-04 REV. 122.