Service difficulty report · Engine · Boeing 737823

Difficulty date
October 21, 2018
Submitted
October 25, 2018
Operation
Air carrier
Aircraft
N919NN
Make and model
Boeing 737823
Aircraft serial
29573
Aircraft time
18,203 hours, 7,279 cycles
Engine
Cfmint CFM567B27
Engine time
53,542 hours, 21,832 cycles
Part
Engine
Part number
CFM567B
Part serial
874880
Condition
Failed
Location
Nr 1
Part time
53,542 hours, 21,832 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J, Y
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. A/C DIVERTED TO CLE ACCOUNT OF NUMBER 1 ENGINE SHUT DOWN (FAILURE). OIL PRESSURE WAS 0 PSI OIL QTY WAS 17, WE HAD N-1 AND N-2 ROTATION PERFORMED EMERGENCY SHUT DOWN CHECK LIST. ACCOMPLISHED EEC NR 1 BITE FOUND SEVERAL FAULTS-INCLUDING FMV DEMAND AND POSITION SIGNALS DISAGREE, THE VBV DEMAND AND POSITION SIGNALS DISAGREE, FUEL FLOW WAS NOT DETECTED, HPTACC/DEMAND & POSITION SIGNALS DISAGREE. AN EMERGENCY WAS DECLARED AND FLIGHT LANDED WITHOUT INCIDENT. SINGLE ENGINE TIME REPORTED AS 20 MINUTES. REMOVED ENGINE SN 874880 AND INSTALLED ESN 874831 AT LT POSITION ON CLE BOW DATED 10/22/2018.