What was found
TECH SERVICE REQUEST. FOLLOW UP TO REPORTS OF FUEL QTY INDICATOR BLANKING DURING FLIGHT.#PRI1. GROUNDED - YES. PERFORMED FQIS BITE PER B737-800 FIM 28-41 TASK 801. CURRENT STATUS, NO FAULTS. INFLIGHT FAULTS / FAULT HISTORY FAULT 28-41209 PROCESSOR FAILED AND 28-41215 ARINC OUTPUT FAILED. REMOVE FUAL QUANTITY PROCESSOR UNIT (FQPU) PER B737-800 AMM 28-41-81-000-801. INSTALLED FQPU PER AMM 28-41-81-400-801. INSTALLED / REMOVED 3 MIG51A TAGS. PERFORMED FQPU INSTALLATION TEST PER AMM 28-41-81-400-801 PARA I AND FUEL QTY INDICATIONS SYSTEM OPS TEST PER AMM 28-41-00-710-801, FUEL QTY INDICATION SYSTEM OPS TEST PASSED NO FAULTS. THIS CLOSES THIS TSR. SEAMC JAKE NOTIFIED.