What was found
ENG NR 3 AIR FAULT OCCURED DURING AIR SWITCH OVER ON DEPARTURE. EITHER OVER TEMP OR OVER PRESSURE INDICTION REST, RESECURED. AIR TURNBACKPERFORMED OPS CHECK OF NR 3 ENG AIR VALVE IAW AMM 36-11-11. COULD NOT DUPLICATE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ENG NR 3 AIR FAULT OCCURED DURING AIR SWITCH OVER ON DEPARTURE. EITHER OVER TEMP OR OVER PRESSURE INDICTION REST, RESECURED. AIR TURNBACKPERFORMED OPS CHECK OF NR 3 ENG AIR VALVE IAW AMM 36-11-11. COULD NOT DUPLICATE.