What was found
NR 3 ENGINE, LT THRUST REVERSER, TRANSLATING COWL, UPPER TRACK, MOST AFT END FOUND WITH CRACKED. THRUST REVERSER P/N 683L220G04, S/N R591-090 NR 3 ENGINE, LT THRUST REVERSER REMOVED AND REPLACED PER AMM 78-33-01-4. THRUST REVERSER DOOR ADJUSTMENT AND CHECK CARRIED OUT PER AMM 78-33-01-700-807. FUCTIONAL TEST CARRIED OUT PER AMM 78-30-00-700-801. COMPLIED WITH ROUTINE WORKCARD NOS.: 78T3003-L AND 78T3903-L