What was found
AFTER SECOND ENGINE START RECEIVED FLIGHT CONTROLS EICAS. RIGHT ELEVATOR XED OUT. COMPLIED WITH ECL. PROBLEM REMAINED. RETURNED TO GATE. WHILE TROUBLESHOOTING FOUND TWO DUCTS DISCONNECTED OFF OF THE AFT MAIN DECK SOV NR 2 RESTING ON & CHAFFING THROUGH WIRES W6704-2022-22 & W5713-3009-22. COMPLETED WIRING REPAIRS & RECONNECTED PLUG D2025P IAW SWPM 20-60-06. OPS CHECKED RT OTBD ELEVATOR PCU IAW AMM 27-31-09-4 ST 27-31-09-740-001, & L2 PITCH RATE SENSOR IAW AMM 27-31-11-4 ST 27-31-11-730-001 & L2 PITCH RATE SENSOR IAW AMM CH 27-31-11-4 ST 27-31-11-730-001. OPS CHECKED NORMAL