TECHNICAL MANUAL AVIATION UNIT AND INTERMEDIATE MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS LIST (INCLUDING DEPOT MAINTENANCE REPAIR PARTS AND SPECIAL TOOLS) TURBINE AIRCRAFT ENGINES MODEL T53–L–13B 2840–00–134–4803 AND MODEL T53–L–703 2840–00–621–1860 * This manual supersedes TM 55–2840–229–23P/NAVAIR 02B–15AC–4/T.O. 2J–T53–14, dated 9 December