What was found
ON TAKEOFF CREW REPORTED NR 1 BLEED TRIP LIGHT CAME ON. CHANGED TO NR 2 BLEED, ONE MIN LATER NR 1 STRUT OVERHEAT LIGHT CAME ON. FOLLOWED COMPANY CHECKLIST & SHUT DOWN NR 1 ENGINE; DUMPED FUEL, & RETURNED WITHOUT INCIDENT. INSPECTION OF NR 1 ENGINE FOUND C-1 LOW COMPRESSOR STAGE BLADES 4 EA HAD SUSTAINED FOD DAMAGE, ALSO C-2 LOW COMPRESSOR STAGE BLADES 8 EA SUSTAINED FOD DAMAGE, & C1 STATOR HAD SUSTAINED FOD DAMAGE. ORIGIN OF FOD DAMAGE IS NOT EVIDENT. DAMAGED C-1 & C-2 BLADES, & C1 STATOR WERE REMOVED, REPLACED AND BALANCED. ACCOMPLISHED NR 1 ENGINE RUN PER AMERIJET FORM B-41, OPERATIONAL CHECK GOOD. THE A/C HAS BEEN RETURNED TO SERVICE.