Service difficulty report · Insert · Boeing 737990ER

Difficulty date
August 12, 2022
Submitted
August 15, 2022
Operation
Air carrier
Aircraft
N457AS
Make and model
Boeing 737990ER
Aircraft serial
36355
Aircraft time
31,094 hours, 9,886 cycles
Engine
Cfmint CFM567B27E
Part
Insert
Part number
3401005020
Condition
Broken
Location
#1 Engine
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

#1 ENGINE, FAN DUCT PANEL (5) HAS A BROKEN SCREW INSIDE THE FAN FRAME. GROUNDED - YES. REMOVED FAN DUCT PANEL (WITH LPTACC SCOOP) (5) ON # 1 ENGINE REF B737-900 AMM 72-23-07. REMOVED AND REPLACED BROKEN INSERT ON FRAME WITH NEW REF CFM OVERHAUL MANUAL REF 70-42-13 REPAIR. RE-INSTALLED FAN DUCT PANEL (5) (WITH LPTACC SCOOP) ON #1 ENGINE REF AMM 72-23-07.