Service difficulty report · Flange · Boeing 737890

Difficulty date
April 8, 2014
Submitted
April 10, 2014
Operation
Air carrier
Aircraft
N559AS
Make and model
Boeing 737890
Aircraft serial
35178
Aircraft time
28,331 hours, 8,466 cycles
Engine
Cfmint CFM567B27
Part
Flange
Part number
314A261062
Condition
Cracked
Location
Nr 2 Exhaust
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

NR 2 ENGINE REAR FLANGE APPEARS TO BE CRACKED. ACFT GROUNDED. VERIFIED CRACKS WITH BOROSCOPE. R & R NR 2 ENG REAR FLANGE, REF AMM TASK 72-56-00-000-802-F00 AND TASK 78-11-02-000-801-F00, TASK 78-11-01-400-802-F00, TASK 78-11-01-000-802-F00 AND TASK 78-11-02-400-801-F00, PRIMARY NOZZLE REMOVAL. INSTALLED PRIMARY NOZZLE IAW BAMM 78-11-01-400-802, PARA G.