What was found
NO LAND 3 DEGRADATION IN AUTOLAND SYS PRIOR TO APPROACH (BEFORE LAND 3 AUTOLAND STATUS ANNUNCIATION). AUTOLAND SYS IS NO LONGER FAIL-OPERATIONAL. ADVISORY MSG01- ACTIVE CRUISE MODE DEPENDENT; BUS ISOLATION IS NOT AVAILABLE. DB- AUTOPILOT FLIGHT DIRECTOR COMPUTER (RT) MSG02- ACTIVE CRUISE HARD; PWR BUS (L AC XFR BUS) IN P100 IS NOT POWERED. DB- ELMS P110 ELECTRONICS UNIT MSG03- NOT ACTIVE CRUISE INTERMITTENT; TRANSFORMER-RECTIFIER UNIT (TRU L) IS INOPERATIVE. DB- ELMS P310 ELECTRONICS UNIT MSG04- ACTIVE CRUISE INTERMITTENT; MULTI-MODE RECEIVER (LT) HAS NO OUTPUT ON ANY BUS. MSG-2213620 ACTIVE ER MODE MSG-2411101 ACTIVE ER HARD MSG-2413051 INACTV ER INTER MSG-3453801 ACTIVE ER INTER. REPLACED & OPS CHECKED RELAYS K24101 AND K24102. OP CK'D OK. NO MESSAGE PRESENT OR ACTIVE FAULTS.