What was found
DURING CLIMB THRU ABOUT FL320 WE RECEIVED BOTH LEFT AND RIGHT MAIN GEAR YELLOW DN AND NOSE GEAR WAS YELLOW HASH MARKS VIBRATIONS FROM GEAR. AFTER WE SLOWED AND DESCENDED BELOW 15000 WE RAN THE QRH LANDING GEAR DID NOT RETRACT CHECKLIST WE RECEIVED 3 GREEN INDICATIONS AND WENT TO PHILADELPHIA MCC REQUESTED WE VERIFY IF THE GEAR WAS BLOWN DOWN. WE FOUND NO INDICATION THAT THE GEAR WAS BLOWN DOWN, GEAR EMER BOTTLE FOUND AT 1900PSI AND BREAK AWAY IS IN NORMAL CONDITION. C/W GEAR BUMP TROUBLESHOOTING, STRUT CHROME FOUND AT 9.75, UPPER BARREL FOUND AT 285 PSI AND LOWER BARREL FOUND AT 20PSI. WORK PERFORMED PER AMM32-00-00. C/W GVI OF NLG UPLOCK SWITCH HARNESS, NO DEFECTS NOTED. C/W WIRE CHECKS OF THE NLG UPLOCK SWITCH, NO DEFECTS NOTED. C/W NLG UPLOCK ACTUATOR CABLE ADJUSTMENT CHECK NO DEFECTS NOTED AT THIS TIME, WORK PERFORMED PER AMM 32-34-00. WE ALSO DW 2 SUCCESSFUL GEAR CYCLES, WITH NO ISSUES AND GOOD INDICATIONS. JL 4/9/2026 MCC HAS REQUESTED WE SERVICE THE NLG STRUT PRESSURE TO CORRECT LEVELS AND REPLACE NLG UP LOCK SWITCH. SWITCH ON ORDER. SERVICED NLG STRUT PRESSURE, UPPER BARREL IS AT 280 PSI AND LOWER BARREL IS 40 PSI. REMOVED NLG UPLOCK SWITCH AND INSTALLED NEW SWITCH, OPS CHECK GOOD. WORK PERFORMED PER AMM 32-32-10.