As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE VISIT: TRAPPED WATER INDICATION ON ELEVATOR UPPER SKIN PANEL HONEYCOMB CORE CELLS. LOCATED AT 52.5 IN. OUTBOARD FROM RIB 5 AND 3.2 IN. FROM TRAILING EDGE ON RH HORIZONTAL STABILIZER (1 EA) (L = 5 IN. W = 3 IN. APPROX.).