Service difficulty report · Bearing · Bombdr DHC8401

Difficulty date
July 18, 2012
Submitted
July 30, 2012
Operation
Air carrier
Aircraft
N408QX
Make and model
Bombdr DHC8401
Aircraft serial
4050
Aircraft time
26,923 hours, 27,843 cycles
Engine
Pwc PW150A
Part
Bearing
Condition
Migrated
Location
Rudder
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

CHAFING ON FORE RUDDER UPPER PCU ATTACH FITTING DUE TO MIGRATED BEARING. REMOVED PCU ACTUATOR ROD IAW AMM 27-23-06-000-801. REMOVED BEARING AND BLENDED ATTACH FITTING IAW SRM 51-41-20-02-02, TEMP REV 55-002. MIN REMAINING THICKNESS NOTED .375", CONFIRMED CRACK FREE CONDITION REF NTM 51-00-04-910-801 AND 51-00-06 910-801 PT 1. MATERIAL LOSS FOUND TO BE WITHIN LIMITS IAW TEMP REV 55-002, 55-41-20-02-02. TREATED AND PAINTED REF SRM TEMP REV 55-002, 55-41-20-02-02 STEP 7. REPLACED BEARING REF SRM 55-41-20 TEMP REV 55-002. RECONNECTED UPPER ACTUATOR ROD REF REV 39, 27-23-06-400-801. COMPLETED RIGGING IAW AMM 27-23-06-400-801 AND SRM 55-41-20-02-02, TEMP REV 55-002.