Service difficulty report · Bearing · Boeing 737990ER

Difficulty date
January 12, 2020
Submitted
January 14, 2020
Operation
Air carrier
Aircraft
N407AS
Make and model
Boeing 737990ER
Aircraft serial
41731
Aircraft time
28,560 hours, 9,056 cycles
Part
Bearing
Part number
332A232254
Condition
Worn
Location
Bleed 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

NR 2 ENG Y DUCT BEARING WORN. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG PNEUMATIC DUCT REF AMM 36-11-01. OPS AND LEAK CK GOOD.