Service difficulty report · Insert · Boeing 737990ER

Difficulty date
April 3, 2018
Submitted
April 6, 2018
Operation
Air carrier
Aircraft
N477AS
Make and model
Boeing 737990ER
Aircraft serial
40716
Aircraft time
11,217 hours, 3,665 cycles
Engine
Cfmint CFM567B27E
Part
Insert
Condition
Defective
Location
Fan Duct
Stage of operation
IN
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

DURING A NR 2 ENGINE INLET INSPECTION. FOUND DAMAGE ON THE NR 3 FAN DUCT PANEL AT AFT UPPER SCREW, DOES NOT SECURE PANEL. ACFT GROUNDED. REMOVED AND REPLACED A DEFECTIVE INSERT, IAW SPM 70-42-13-350-014, AND AMM 72-23-07-400-801-F00. LEAK CHECKED GOOD IAW AMM 71-00-00-700-801-F00.