As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT RETURN TO DEPARTURE, DUE TO NR 1 ENGINE FUEL LOW PRESSURE MESSAGE ILLUMINATED IN FLIGHT WITH FUEL FEED 1 FAULT ASSOCIATED MESSAGE ADVISORY. R & R NR 1 ENGINE FUEL LOW PRESSURE SWITCH IAW AMM 73-31-01. LEAK & OPS CHECKED NORMAL IAW FIM 73-31-00-810-803A.