Service difficulty report · Processing Unit · Boeing 737890

Difficulty date
January 19, 2019
Submitted
January 23, 2019
Operation
Air carrier
Aircraft
N569AS
Make and model
Boeing 737890
Aircraft serial
35184
Aircraft time
44,936 hours, 13,718 cycles
Part
Processing Unit
Part number
3012803
Part serial
2310
Condition
Failed
Location
Fuel System
Part time
44,936 hours, 13,718 cycles
Stage of operation
IN
How discovered
O
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

REF L/P 12046316 FQIS FAULTED PROCESSOR DURING BITE. PROCESSOR FAULT MSG 28-41002 ALSO LOGGED INFLIGHT FLIGHT FAULTS LEG #4. GROUNDED - YES. REMOVED DISCREPANT FUEL PROCESSOR UNIT AND REPLACED WITH SERVICEABLE UNIT. ALL TEST PASS. REF AMM 28-41-81, 28-41-00.