SDR AALA202109108097

Service difficulty report · Wire Harness · 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
System (JASC): 2897 · Fuel System Wiring
Part: Wire Harness
Condition: Faulted
Location: Fuel Qty
Stage of operation: CL
How discovered: O
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 WIRE HARNESS IAW AMM 28-41-44 AND FOUR FQIS TANK UNITS (AALA202109104676, AALA202109104237, AALA202109105270, AALA202109105446) IAW AMM 28-41-21, LEAK AND OPS CHECK GOOD.