Service difficulty report · Processor · Boeing 737890

Difficulty date
November 10, 2023
Submitted
November 13, 2023
Operation
Air carrier
Aircraft
N562AS
Make and model
Boeing 737890
Aircraft serial
35091
Aircraft time
62,294 hours, 18,439 cycles
Part
Processor
Part number
3012803
Part serial
2986
Condition
Faulty
Location
Fuel Qty
Part time
40,405 hours, 13,654 cycles
Stage of operation
NR
How discovered
V
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

FUEL SLOWLY FEEDING FROM NO. 1 MAIN TANK WITH FUEL IN CENTER TANK AND ALL FUEL PUMPS ON. AFTER 19.0 TOTAL BURN THE NO. 1 TANK WAS DOWN 0.34. GROUNDED - YES. PERFORMED FQIS BITE NO FAULTS FOUND. FOUND MSG 28-41209 MULTIPLE TIMES IN FAULT HISTORY. REF FIM 28-41 TASK 808 FAULT ISOLATION SHOWS FUEL QUANTITY PROCESSOR. REMOVED AND REPLACED FUEL QUANTITY PROCESSOR PER AMM 28-41-81. OPS CHECKS GOOD. SEAMC PETER NOTIFIED.3 MIG 51A'S INSTALLED3 MIG 51A'S REMOVED.