SDR ASAA2017052220851

Service difficulty report · Display · Boeing 737990ER

Difficulty date: May 22, 2017
Submitted: May 24, 2017
Operation: Air carrier
Aircraft: N483AS
Make and model: Boeing 737990ER
Aircraft serial: 36350
Aircraft time: 6,917 hours, 2,354 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Display
Condition: Inoperative
Location: Fuel Qty
Stage of operation: CR
How discovered: O
Nature of condition: P
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

APPROXIMATELY 3 HOURS INTO FLIGHT, THE CENTER TANK QUANTITY AND TOTAL FUEL QUANTITY WENT BLANK AND STAYED BLANK. ACFT GROUNDED. QUANTITY RETURNED AFTER POWER TRANSFER FROM ENGINE TO APU DURING ENGINE SHUTDOWN. COMPLIED WITH FQIS OPS TEST IAW AMM 28-41-00-710-801. NO CURRENT FAULTS. PREVIOUS FLIGHT LEG SHOWED FAULT CODE 28-41301 CTR QTY BLANK 1 OR MORE TANK UNIT OPEN. NO CURRENT FAULTS FQIS, OPS TEST GOOD. OK FOR SERVICE.