SDR ASAA2018072425524

Service difficulty report · Probe · Boeing 737890

Difficulty date: July 24, 2018
Submitted: July 31, 2018
Operation: Air carrier
Aircraft: N584AS
Make and model: Boeing 737890
Aircraft serial: 35682
Aircraft time: 41,685 hours, 12,404 cycles
System (JASC): 2842 · Fuel Quantity Sensor
Part: Probe
Part number: 2020002070208
Condition: Out Of Tolerance
Location: Lt Wing
Stage of operation: IN
How discovered: C
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING ACCOMPLISHMENT OF NR 1 MAIN TANK FQIS TEST REF NG-28FCD-18088-1, FOUND PROBES F3, F5, AND F6 OUT OF TOLERANCE REF AMM TASK 28-41-21-710-801. GROUNDED - YES. REMOVED AND REPLACED PROBES F3, F5, AND F6 OF THE NR 1 MAIN TANK. FQIS SYSTEM TEST PASS. ETOPS GROUND VERIFICATION SUCCESSFUL. QUANTITY INDICATION OPERATIONAL ON BOTH FLIGHT DECK AND REFUEL PANEL DISPLAYS.