What was found
LEFT CENTER FUEL PUMP PRESSURE LIGHT ON DURING CRUISE WITH 2000 LBS IN CTR TANK. CENTER FUEL PUMP L HAS HISTORY, REQUESTING MEL 2822G. C/B SECURED & LIGHT LENS COVER INSTALLED. WHEN CLEARING DEFERRED ITEM, REMOVE COVER AND RETURN TO SPARE BULB CONTAINER OR REMOVE TAPE. APPROVED C/W MEL 2822G PLACARD APPLIED. CHECKED VOLTAGES OF 3 PHASE CONNECTOR D1766. GOT 115VAC INITIALLY AND VOLTAGE SUDDENLY DROPPED TO ZERO VAC AFTER 2 SEC. R & R GFI RELAY K10011, & LT CTR PUMP STARTED WORKING. ACCPD INSTALLATION UP TO STEP E.6, PUMP REVERSAL OP TEST. TEST PASSED. COMPLIED WITH DDP REF AMM 28-22-00-715-768 AND WDM 28-22-11-905, RELAY THAT WAS R & R IS NOT A GFI RELAY AND IS AFTER THE UFI SYS, CONCURRED THAT INSPECTION FLAG NOT REQUIRED. LT CENTER OVERRIDE PUMP OPS NORMALLY IAW AMM 28-22-15 MEL REMOVED.