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 4 IN. OUTBOARD FROM RIB 5 AND 3.5 IN. FROM TRAILING EDGE ON LH HORIZONTAL STABILIZER (1 EA) ( L = 4 IN. W = 2.4 IN. APPROX.). REPAIRED UPPER SKIN ON LH ELEVATOR HORIZONTAL STABILIZER IAW A321 SRM 55-21-11-300-005.