What was found
ENG NR 2 AMBER LP EICAS INDICATION CLIMBING THROUGH 12000' QRH CHECKLIST RAN REAPPEARED 3X FLEW AT OFF AFTER CHECKLIST ACCOMPLISHED 3RD TIME. COULD ONLY CLIMB TO FL290 IN CRUISE LP AVERGEDC/W TASK MCN E770001-01, FOUND TO BE ABNORMAL, N1 VIB WORKSCOPE DMI. ACFT OK FOR SVC. 3.6 VIB WITH MOMENTARY 4.0 VIB. DIVERTED AND ACCOM[PLISHED A UNEVENTFUL LANDING. REMOVED FROM SERVICE. INSPECTED #2 ENG FOR LOOSE BUMPERS AND STICKING BLADES. NO DEFECTS NOTED. C/W MTC E175-722101 (SP097) AND MTC E175-72-00-00-QE02 (PIN LUBE). VERIFIED BLADE POSITION, S/N AND WEIGHT AGREED WITH BLADE MAP DATED 7-20-2026. CLR DMI. RETURNED TO SERVICE.