Service difficulty report · Fuel Nozzle · Boeing 737890

Difficulty date
October 20, 2014
Submitted
October 24, 2014
Operation
Air carrier
Aircraft
N589AS
Make and model
Boeing 737890
Aircraft serial
35686
Aircraft time
26,330 hours, 8,100 cycles
Engine
Cfmint CFM567B27
Part
Fuel Nozzle
Part number
6840023E18
Condition
Faulted
Location
Nr 2 Engine
Stage of operation
IN
How discovered
9
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

FOUND FAULT CODE 73-31372 ECONOMIC FAULT-UPPER EGT SECTOR READING HIGH ON NR 2 ENGINE. ACFT GROUNDED, ACCOMPLISHED FIM 73-11 T801, INITIAL EVALUATION. DURING ENGINE RUN, FOUND PROBE T49.5 S1 WITH DOUBLE THE TEMPERATURE OF T 49.5 S4. R & R T49.5 S1 PROBE. OPS TEST GOOD. GROUND VERIFICATION SUCCESSFUL. REF AMM 77-21-01-400-801-F00. RE-ACCOMPLISHED FIM 73-11, TASK 801 - NO CHANGE. REPLACED UPPER 11 FUEL NOZZLES ON NR 2 ENGINE IAW T/C PWRPL-73CMPT-07267-2, NO NEW FAULTS NOTED AFTER POST REPLACEMENT RUN.