As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
TECH SERVICES REQUEST FOLLOW-UP TO RECENT #2 FUEL QTY GROUNDED - YES. ACCOMPLISHED A TANK AND COMPENSATOR UNITS TEST PER B737-800 AMM 28-41-21-710-801 ON THE #2 TANK AND FOUND COMPENSATOR PROBE AND TANK UNITS 2, 5, AND 6 OUT OF LIMITS. REMOVED AND REPLACED COMPENSATOR AND #2 PROBE. REMOVED AND REPLACED TANK UNIT PROBES 5 AND 6 REF AMM 28-41-21. PERFORMED SYSTEM TEST REF AMM 28-41-00. CHECKS GOOD. LEAK CHECK GOOD.