Service difficulty report · Threshold · Bombdr DHC8402

Difficulty date
September 28, 2011
Submitted
October 3, 2011
Operation
Air carrier
Aircraft
N429QX
Make and model
Bombdr DHC8402
Aircraft serial
4161
Aircraft time
10,729 hours, 11,651 cycles
Part
Threshold
Condition
Corroded
Location
Fuselage
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

FORWARD PAX DOOR THRESHOLD AND THRESHOLD SUPPORT ARE CORRODED. FOUND THRESHOLD TO BE OUT OF LIMITS IAW SRM 53-20-23. REMOVED THRESHOLD AND REMOVED CORROSION ON LOWER SUPPORT IAW SRM 51-42-05-02-01 AND 53-20-23. MEASURED LOWER SUPPORT AND FOUND TO BE OUT OF LIMITS IAW RD 8/4-53-1660. RECEIVED NEW THRESHOLD, LOCATED HOLES IAW SRM 51-23-00-00-01. REMOVED CORNER CASTINGS, SEAL RETAINER AND THRESHOLD SUPPORT IAW SRM 51-42-07-02-01. INSTALLED CORNER CASTING IAW SRM 51-42-15-02-01 AND 51-42-05-02-01. INSTALLED THRESHOLD AND SEAL RETAINER IAW SRM 51-42-05-02-01. APPLIED ALUMINIZED PAINT TO THRESHOLD REPAIR AREA IAW SRM 51-25-15.