What was found
DTE / MONITOR INSPECTION LOG REF. ER/A 601550-14 REV A. A220 / HORIZONTAL STABILIZER / UPPER AND LOWER SKINS / @ REAR SPAR / HINGE RIB 2 TO HINGE RIB 3 / DISBOND. SUBJECT REPAIR REQUIRES FOLLOW-ON ACTION. REPAIR APPROVAL IS LIMITED TO 12 MONTHS SERVICE FROM 31JUL25. ADDITIONAL ENGINEERING AUTHORIZATION (ER/A REVISION) IS REQUIRED FOR CONTINUED SERVICE BEYOND THIS LIMIT. NOTE TO ENGINEER: DAMAGE TOLERANCE EVALUATION IS REQUIRED IN ACCORDANCE WITH PROCEDURES ESTABLISHED IN FAA AC 120-93. ASSOCIATED ER/A 14-601550 ADDED FOR AC 8117. (LP# 1117168: AIR WAS GROUNDED)