What was found
NR 2 MAIN FUEL TANK FAILS SYSTEM TEST IAW FQIS SYSTEM TEST IAW AMM 28-41-00-730-801. ACFT GROUNDED. DRAINED NR 2 FUEL AND TAGGED EXTERNAL POWER. REMOVED AND REPLACED NR 2 COMP PROBE (F15), F1 TANK UNIT AND F8 TANK UNIT IAW AMM 28-41-21-400-801. REMOVED AND REPLACED TANK PROBE NR 2 & 11 IAW AMM 28-41-21-400-801. REMOVED AND REPLACED PROBES F9 AND F10 IAW AMM 28-41-21-400-801. COMPARISON CHECK OF TANK GOOD IAW AMM 28-41-21-400-801. SUPPLIED ELECTRICAL POWER IAW AMM 24-22-00 & ACCOMP FQIS SYSTEM TEST IAW AMM 28-41-00-730-801. ALL PARAMETERS ARE NORMAL. ALL PANELS LEAK CHECKED GOOD IAW AMM 28-11-00-400-801.