What was found
AFTER MLG RETRACTION, RED UNLOCK LIGHT REMAINED ILLUMINATED. PERFORMED A FLY-BY OF TOWER & ADVISED RT MLG DOOR DOWN. A/C LANDED W/O INCIDENT. RT MLG DOOR REMAINED DOWN. MX REPLACED RT MLG DOOR. DOOR & UPLOCK MECHANISM ADJUSTED. MLG EXTENSION & RETRACTION CHKS NORMAL & A/C RTS. RECEIVED A MLG UNSAFE LIGHT AFTER EXTENDING MLG. MLG CYCLED & RECEIVED SAME INDICATION. A/C DIVERTED & AN EMERG MLG DOOR RETRACTION PERFORMED. A NORMAL LANDING MADE & ON TOUCHDOWN MLG HANDLE LIGHT WENT OUT. MX REPLACED LT & RT MLG UPLOCK SWITCHES. RT DOOR ACT RIGGED, & A BENCH CHK PERFORMED ON PCB A-162, K-1 RELAY & SHUTTLE VALVE. DIODES OF HYD PACK WIRING CHKED. MLG OPS CHKS GOOD, & A SATIS CHK FLT PERFORMED. ACFT RTS.