As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTS THAT ON LANDING GEAR EXTENTION THE MAIN GEAR INDICATED GREEN AND THE NOSE WAS RED ACCOMPANIED BY HYD CAWS. EXTENDED GEAR MANUALLY. RESOLUTION TO CORRECT THIS SITUATION IS AS FOLLOWS: REMOVED MAIN HYD ACCUMULATOR PN OFF 70846, SN OFF 0851 AND INSTALLED NEW PN ON 70846-1, SN ON 1290L IAW AMM 12-A-29-10-02-00A-920A-A. LEAK CHECK AND GEAR SWINGS SATISFACTORY AT THIS TIME.