What was found
OAK: DURING C CHECK CRACKS WERE FOUND IN LT CABIN MEMBRANE, FS 1287 TO 1309, LONGERON 18L. REMOVED CRACKED SECTIONS AND INSTALLED REPAIR DOUBLER IAW ASA EA 5320-01203.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
OAK: DURING C CHECK CRACKS WERE FOUND IN LT CABIN MEMBRANE, FS 1287 TO 1309, LONGERON 18L. REMOVED CRACKED SECTIONS AND INSTALLED REPAIR DOUBLER IAW ASA EA 5320-01203.