What was found
AIRCRAFT 6703, DURING THE RADOME INTERCOSTAL INSTALLATION PER GOGO DRAWING D18470 / 22207 REV. C (REFERENCE AMDS WORKCARD 2330-01349-01D) AT STA 620 BETWEEN STR 2R AND 3R, MTC REPORTED SIX (6) EXISTING FASTENER HOLES IN THE FRAME WHERE THE INTERCOSTAL T-CLIP (P/N P31839-001) IS TO BE INSTALLED. THE HOLES FINAL DIAMETER AFTER CLEAN UP RANGES BETWEEN 0.198/0.335. CORRECTIVE ACTION: INSTALLED REPAIR DOUBLER AND REPAIRED PER ERA 563816-14. (LP 0878808)