As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS IN BASE MAINTENANCE. TRAPPED WATER INDICATION ON THE LT ELEVATOR UPPER SKIN PANEL HONEYCOMB CORE CELLS. 25.5 INCHES INBOARD FROM RIB 10, AND 3.3 INCHES FROM TRAILING EDGE. REPAIRED THE LT ELEVATOR SKIN IAW SRM 55-21-11-300-004.