Service difficulty report · Threshold · Bombdr DHC8401

Difficulty date
July 25, 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
Threshold
Condition
Corroded
Location
Fuselage
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

FWD PAX DOOR THRESHOLD PLATE BETWEEN STA X8.00 AND 24.000 HAS AREAS OF CORROSION ON TOP AND BOTTOM SURFACES. REMOVED THRESHOLD FOM IAW SRM 51-42-05-02-01. FOUND TO BE OUT OF LIMITS IAW SRM 53-20-23-02-01. THRESHOLD CHANNEL FOUND TO BE OUT OF LIMITS IAW SRM 53-20-23-02-01. REMOVED CORNER CASTINGS FOM IAW SRM 51-42-45-02-01 AND 51-42-05-02-01. REMOVED THRESHOLD CHANNEL IAW SRM 51-42-05-02-01. MATCH DRILLED THRESHOLD CHANNEL, PLATE IAW SRM 51-40-07-02-01. INSTALLED CHANNEL , PLATE AND CORNERS IAW SRM 51-42-05 AND 51-42-45. APPLIED SURFACE PROTECTION IAW SRM 51-25-15-02-01. PRIMED AND PAINTED IAW SRM 51-25-10-02-01 AND 51-25-15-02-01.