As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CRACK IN LOWER SKIN OF RH HORIZONTAL STABILIZER INBD OF EXISTING DOUBLER. REMOVED INDICATED SKIN CRACKS AND EXISTING DOUBLER DUE TO INSUFFICIENT EDGE DISTANCE, ACCOMPLISHED PERMANENT REINFORCING DOUBLER REPAIR IAW SRM 55-10-01-R2.