Service difficulty report · Bushing · Boeing 737900ER

Difficulty date
March 14, 2022
Submitted
March 17, 2022
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737900ER
Aircraft serial
41731
Aircraft time
35,029 hours, 10,992 cycles
Engine time
35,029 hours, 10,992 cycles
Part
Bushing
Condition
Missing
Location
#1 Engine
Part time
35,029 hours, 10,992 cycles
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

#1 ENGINE S/N #963435, 3 STAGE VSV CASE HAT LEVER ARM BUSHING MISSING 25 EACH WITH POSSIBLE METAL TO METAL CONTACT. LEVER ARM BUSHING IS ALSO MISSING FROM 3 STAGE VSV LEFT & RIGHT CONNECTING LINK AND SEVERAL ACTUATING RING LEVER ARM BUSHINGS MISSING. GROUNDED - YES. REMOVED ENGINE S/N # 963-435 AND TRANSFER N/R TO SHOP W/O # 1904045 REF. A/C W/O # 1902224 T/C # 78741000.

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