Service difficulty report · Frame · Bombdr DHC8401

Difficulty date
September 30, 2012
Submitted
October 4, 2012
Operation
Air carrier
Aircraft
N407QX
Make and model
Bombdr DHC8401
Aircraft serial
4049
Aircraft time
27,207 hours, 28,507 cycles
Part
Frame
Condition
Corroded
Location
Bs 236
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

FRAME 236, FLANGES ARE CORRODED STR 27P-30P. REMOVED FASTENERS AND CORROSION FROM FRAME IAW SRM 51-42-05-02-01 AND RD 8/4-53-2344. PERFORMED UT THICKNESS OF BLENDS IAW NTM 51-00-04-910-801, PT 1. MIN REMAINING THICKNESS .038". INSPECTED USING HFEC, NO CRACKS NOTED REF NDTM 51-00-06-910-801, PT 1. MATERIAL LOSS FOUND TO BE IN LIMITS IAW RD 8/4-53-2344. APPLIED SURFACE PROTECTION IAW SRM 51-21-10-02-01 AND INSTALLED RIVETS IAW SRM 51-42-05-02-01. PRIMED AND PAINTED EXTERIOR, ALUMINIZED AND APPLIED CPC IAW SRM 51-25-15-02-01 AND RD 8/4-53-2344.