What was found
LEFT WING LOWER WING PLANK ACCESS HOLE AT WS 54.897, HOLE NR 1 AT PANEL LOCATION 540BB HAS PITTING CORROSION AT FORWARD AND AFT ENDS IN THE CRITICAL REGIONS. DEEPEST AREA IS APPROXIMATE .003" DEEP. REPAIRED IAW REO 601R-57-21-030.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT WING LOWER WING PLANK ACCESS HOLE AT WS 54.897, HOLE NR 1 AT PANEL LOCATION 540BB HAS PITTING CORROSION AT FORWARD AND AFT ENDS IN THE CRITICAL REGIONS. DEEPEST AREA IS APPROXIMATE .003" DEEP. REPAIRED IAW REO 601R-57-21-030.