What was found
AFTER TAKE OFF L/G AIR/GND FAIL MESSAGE DISPLAYED ON EICAS. MESSAGE PERSISTED THROUGHOUT FLIGHT, AND EXTINGUISHED DURING APPROACH. INSP. NLG PROX SWITCH FOR MISALIGNMENT. OPS CHECKED PROX SWITCH IAW AMM 32-63-05 TASK 32-63-05-700-801-A OPS CHECK GOOD. PERFORMED GEAR SWING MULTIPLE TIMES NO DEFECTS NOTED. SYSTEM CHECK GOOD AT THIS TIME. REF LOGPAGE 276679 SEQ 2 AND 3 LOGPAGE 276680 SEQ 1 AND 2 AND LOGPAGE 276681 SEQ 2 FOR ADDITIONAL MX.PER MOC SERVICE NLG STRUT. SUSPECT INCORRECT SERVICING. FOUND NOSE GEAR TO BE INCORRECTLY SERVICED. RE-SERVICED NOSE GEAR STRUT IAW AMM 32-20-01. A/C OK FOR SERVICE. WHILE TORUBLESHOOTING LP 276679-1 WITH WORKCARD 32-70-16 FOUND MLG #1 FWD PROX SWITCH FAIL. FACT 01MAY23 17:05 CLT REMOVED AND REPLACED AIR/GROUND RELAYS IN POSITIONS K0352, K0353, AND K0453. SEE LP 276679-1 FOR OPS CHECK. RELAYS R&R IRT AMM 20-13-02