Service difficulty report · Insert · Boeing 737990ER

Difficulty date
May 26, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N433AS
Make and model
Boeing 737990ER
Aircraft serial
41704
Aircraft time
32,106 hours, 10,163 cycles
Engine
Cfmint CFM567B27E
Part
Insert
Part number
3370051180
Condition
Worn
Location
#2 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

REF ASA T/C #78472010 #2 ENG CFM56-7 FAN LUBRICATION. FOUND 2 EACH BOLT INSERTS FOR FWD SPINNER CONE, HAS LOCKING FEATURE OF INSERTS WORNOUT. GROUNDED - YES. REF ASA T/C # 78472010- INSTALLED NEW SERVICEABLE FOR THE FWD SPINNER CONE REF B737-900 AMM 72-21-01-400-801-F00.