Service difficulty report · Bearing · Bombdr DHC8400

Difficulty date
May 14, 2019
Submitted
August 17, 2020
Operation
General aviation
Make and model
Bombdr DHC8400
Aircraft time
13,452 hours
Engine
Pwc PW150A
Part
Bearing
Condition
Deteriorated
Location
Engine
Part time
8,217 hours
Stage of operation
IN
How discovered
9
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

(CAN) THE PW150A ENGINE FLEET IS SUBJECT TO OIL SAMPLING/MONITORING. SAMPLES ARE ROUTED TO THE ENG MANUFACTURER FOR ANALYSIS. NOTIFICATION WAS RECEIVED THAT ENG WAS SHOWING OIL SAMPLE CHARACTERISTICS CONSISTENT WITH POSSIBLE 2.5 BEARING SEAL DETERIORATION. UPON RECOMMENDATION FROM P&W THE ENGINE WAS REMOVED AND ROUTED FOR INSPECTION. THE SHOP INSPECTION RESULTS CONFIRMED 2.5 BEARING SEAL WEAR. THE 2.5 BEARING SEAL IS SUBJECT TO A SERVICE BULLETIN (SB35342) WHICH REPLACES THE AFFECTED PARTS. THIS ENGINE WAS PRE-SB AND WILL SUBSEQUENTLY UPDATED DURING THIS SHOP VISIT. (TC# 20190622003)