What was found
DURING FLIGHT GEAR UNSAFE RED LIGHT ILLUMINATED, NO GREEN LIGHTS ILLUMINATED. COMPLIED WITH APPLICABLE CHECKLIST. TROUBLE SHOT NLG RETRACTION & EXTENSION COMPONENTS. FOUND NLG STRUT EXTENSION OUT OF LIMITS IAW CMM 32-20-01. DISASSEMBLED NLG LOWER STRUT ASSEMBLY, INSTALLED NEW O RINGS, SEALS & SCRAPER RING & REASSEMBLED. INSTALLED NLG LOWER STRUT ASSEMBLY & SERVICED WITH HYD FLUID & NITROGEN IAW MM 12-14-00. VERIFIED STRUT EXTENSION IS LESS THAN 9.10 INCHES CMM 32-20-01. GEAR RETRACTION & EXTENSION CHECKS FOUND SATISFACTORY.