What was found
MQY - FOUND RIGHT HORIZONTAL STAB UPPER TRAILING EDGE BEAM AT REAR SPAR STATION 151.81 HAS CORROSION. FOUND TO BE OUT OF LIMITS IAW B727 SRM 55=10-1, FIG 1. REMOVED AND REPLACED TRAILING EDGE BEAM IAW B727 SRM 51-30-5 AND B727SRM 51-30-2. PART REPLACED WITH IDENTICAL PART NR. NO WEIGHT CHANGE. (M)