SDR ASAA2016070117222

Service difficulty report · Totalizer · Boeing 737990ER

Difficulty date: July 1, 2016
Submitted: July 5, 2016
Operation: Air carrier
Aircraft: N428AS
Make and model: Boeing 737990ER
Aircraft serial: 36353
Aircraft time: 1,259 hours, 407 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Totalizer
Condition: Malfunctioned
Location: Fuel System
Stage of operation: CL
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

AFTER T/O FUEL TOTALIZER READ 1000 HIGH, STARTED WITH 25.85 LBS, RAMP FUEL AT 10K QTY INDICATED 24.8 LBS, WITH 1.9 USED = 26.7 LBS, AT TOP OF CLIMB QTY INDICATED 21.6 WITH 4.45 LBS USED = 26.0 LBS. ALSO TOTALIZER FUEL READ 500 TO 600 GREATER THAN FMC FUEL USUALLY 100 TO 200 HIGH AFTER T/O. ACFT GROUNDED. ACARS FOB DID NOT RECORD ANY ABNORMAL FUEL TOTAL. ACCOMPLISHED FQIS OPERATIONAL TEST IAW AMM 28-41-00 & FMC OPERATIONAL TEST IAW AMM 34-61-00. NO HISTORY.