As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK INSPECTION WAS FOUND A EROSION ON NOSE SKIN AT HORIZONTAL STABILIZER TIP - LT. DAMAGE WAS REPAIRED IAW EWO 767 55-001 AND BOEING SERVICE REQUEST ID: 1-171213467. ERODED AREA WAS CLEANED UP IAW SRM 55-10-30 PAGE 1 TO 3, THICKNESS MEASUREMENT PERFORMED IAW ASTME 797 REV 2005 (MIN: 0.045", ALLOWABLE LIMIT: 0.025") AND PROTECTIVE TREATMENT APPLIED IAW AMM 51-21-4 PAGE 701 TO 707. FAA FORM 8100-9 WAS ISSUED APPROVING THIS REPAIR.