SDR AALA2019032769001

Service difficulty report · Fuel Sys · Boeing 737823

Difficulty date: March 25, 2019
Submitted: March 27, 2019
Operation: Air carrier
Aircraft: N926AN
Make and model: Boeing 737823
Aircraft serial: 29527
Aircraft time: 57,324 hours, 23,276 cycles
System (JASC): 2840 · Fuel Indicating System
Part: Fuel Sys
Condition: Malfunctioned
Stage of operation: CL
How discovered: O
Nature of condition: J, F
Precautionary procedure: O

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

What was found

WITH ALL FUEL PUMPS ON, AND FUEL IN CENTER TANKS, ONLY THE LEFT MAIN TANK FUEL WAS USED. IMBALANCE EXCEEDED 1,000 LBS DURING CLIMB. PASSING 16,000 FT, FUEL STARTED BURNING FROM RIGHT TANK. WAS ABLE TO BALANCE FUEL PASSING FL 180. MAINTENANCE PERFORMED AN OPS TEST ON THE FUEL BOOST PUMPS IAW AMM 28-42-11, ALL PUMPS OPS NORMAL. NO PRIOR HISTORY ON FUEL SYST IN LAST 30DAYS. OK FOR SERVICE.