Service difficulty report · Sensor · Boeing 737823

Difficulty date
September 6, 2021
Submitted
September 10, 2021
Operation
Air carrier
Aircraft
N834NN
Make and model
Boeing 737823
Aircraft serial
29576
Aircraft time
34,553 hours, 14,059 cycles
Part
Sensor
Part number
202000212
Condition
Faulty
Location
Fuel Qty
Stage of operation
CL
How discovered
9
Nature of condition
N
Precautionary procedure
E, A

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

What was found

AIRCRAFT WAS GROUNDED: FUEL QTY PARAMETERS INDICATED FUEL LEAK, LH ENGINE SHUT DOWN PER QRH; FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED LH WING FUEL QTY INDICATING SYSTEM #10 TANK UNIT AND THREE OTHERS (AALA202109105446, AALA202109104237, AALA202109105270) IAW AMM 28-41-21 AND FQIS WIRE HARNESS (AALA202109078097) IAW AMM 28-41-44, LEAK AND OPS CHECK GOOD.