What was found
NR 2 FUEL QUANTITY INDICATING SYSTEM FAIL, SYSTEM TEST REF AMM 28-41-00-730-801. ACFT GROUNDED. OPENED MIG-2C, SN'S 313274, 313275, 313276, 313277. PROBE REPLACEMENTS, INSPECTIONS AND LEAK CHECKS PERFORMED ON THESE DOCUMENTS. MIG-2C SN'S 313274, 313275, 313276, 313277 CLOSED. NR 2 FUEL QUANTITY, OP CHECKS NORMAL. SYSTEM TEST GOOD REF AMM 28-41-00-730-801. COMPARISON CHECK GOOD REF AMM 28-41-00-720-80.