Service difficulty report · Ufi · Boeing 737823

Difficulty date
August 22, 2020
Submitted
August 25, 2020
Operation
Air carrier
Aircraft
N961AN
Make and model
Boeing 737823
Aircraft serial
30092
Aircraft time
56,627 hours, 23,856 cycles
Part
Ufi
Part number
1030001001
Part serial
0596
Condition
Inoperative
Location
Fuel Indication
Part time
647 hours, 325 cycles
Stage of operation
CL
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

AIRCRAFT WAS GROUNDED: UNIVERSAL FAULT INTERRUPTER (UFI) NOT RESPONDING TO COMMANDS, CAUSING CTR FUEL TANK CONFIG MESSAGE AFTER TAKEOFF AND SUBSEQUENT AIR INTERRUPT. REPLACED UFI WITH NEW IAW AMM 28-22-99, OPS CHECK GOOD.