What was found
DURING TAKEOFF, THERE WAS A THROTTLE STAGGER AND N1 DISPARITY. NR 1 WAS 84.8% N1 - NR 2 ENGINE WAS 84.1% N1. ENGINE BLEEDS AND PACKS WERE ON. N1'S AND THROTTLES WERE EQUAL AT CLIMB POWER. GROUNDED - YES. CREW REPORTS THE ABOVE N1 READINGS WERE FMC TARGETS & THAT A/T'S WENT TO THE TWO DIFFERENT N1 TARGETS. LT & RT FMC ANALOG DISC PAGE 3/4 SHOWS NO 1 ENG BLEED OFF WHEN SWITCH IS ON (INTERMITTENT). REPLACED AIR COND MOD. OPS CHECK SAME GOOD. REF AMM 21-51-65. #1 ENG BLEED DISC TO FMC'S IS NOW GOOD. OPS CHECK NR 1 & NR 2 FMC GOOD. REF AMM 34-61-00.