What was found
AFTER TAKEOFF AIR-GND DISAGREE STATUS MSG. RTFL. REPLACED ENTIRE PROXIMITY SWITCH ELEC UNIT WITH ALL CARDS AND NLG SWG OPS OK. REF SCHEMATIC:32-09-03 AND 32-09-02. REPLACED RELAYS K203, K293, K219 AND K209. AIR-GND RELAY TEST FAILS STEP I(3) AND I(7) FOR SYSTEM 1, PG 507-508 OF MM 32-09-02. SYSTEM 2 OPERATES OKAY. ACCOMPLISHED FIM 32-09-00 FIG103A. FIM SUGGESTS ADJUSTING SENSOR CLEARANCE (BLOCK 43, PG 116). HOWEVER, SENSORS ARE SLUGGED PER BLOCK 8 SO THERE IS NO ADJUSTMENT. ACP TEST REF MM32-09- 02, NO FAULTS. CHRONIC AIR-GRD MSG, SUGGEST REPLACED DRIVE R CARD IN PSEU REF MM32-09-06. REPLACED DRIVE R CARDS PER MM 32-09-06. OP CKS GOOD.