What was found
BOTH THRUST REVERSERS LOCKED OUT DUE TO LT CASCADE VANE AND TRANSLATING COWL DAMAGE. REMOVED NR 1 ENGINE RT TAIL ROTOR COWL ASSY IAW MM 71-13-03-4. RB 04126. INSTALLED REVERSER HALF, THROUGH 71-13-03-4 C. 1-19, 21 AND 22,32,33. JDS 81085. C/W STEP 31 OF 71-13-03 & REMOVED AND REPLACED NR1 T/R 78-31-00. 51783 COMPLIED W/REMAINING STEPS IAW MM 71-13-03-4.