As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF UPON GEAR RETRACTION NOSE GEAR DID NOT INDICATE UP AND LOCKED. THE CREW DIVERTED BACK TO PHX WITH THE LANDING GEAR EXTENDED IN THE DOWN AND LOCKED POSITION. WE ARE CURRENTLY WAITING ON MAINTENANCE SUPPORT. TECH SIGN OFF STATED THAT NLG FAILED TO INDICATE UP. DISCOVERED NLG STRUT NOT FULLY EXTENDING. REBUILT NOSE STRUT IAW CMM 32-20-05, ALL LEAK AND OPERATIONAL CHECKS SATISFACTORY.