As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AT 200 TO 300 FT THE NR 1 MAIN TANK FUEL QTY SHOWED AN IMBALANCE OF 1300 LBS RAN QRH. TOP AT CLIMB SHOWS 1000 LBS. ALL FUEL FLOWS AND ENGINE INDICATIONS ARE NORMAL. GROUNDED - YES. NR 1 TANK PROBES F4, F6, F7, F9 AND COMP PROBE REPLACED. NO LEAKS NOTED. FUEL QUANTITY INDICATION FOR NR 1 MAIN TANK INDICATES CORRECTLY REF AMM 28-41-00-720-801. GROUND VERIFICATION GOOD.