Service difficulty report · Floorbeam · Bombdr DHC8402

Difficulty date
October 10, 2012
Submitted
October 15, 2012
Operation
Air carrier
Aircraft
N407QX
Make and model
Bombdr DHC8402
Aircraft serial
4049
Aircraft time
27,207 hours, 28,507 cycles
Part
Floorbeam
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

FLOORBEAM 32.4, ABOVE STR 27P IS CORRODED ON THE UPPER AND LOWER SURFACES INCLUDING THE FORWARD AND AFT SPLICES. REMOVED CORROSION IAW SRM 51-21-00-00-02. FOUND AFT SPLICE TO BE OUT OF LIMITS IAW SRM 53-20-00-00-01. REMOVED AFT SPLICE IAW SRM 51-42-05-02-01. VERIFIED AFFECTED AREA TO BE CRACK FREE REF NDTM 51-00-06-910-801 PT 1. MIN REMAINING THICKNESS .064" REF NTM 51-00-04-910-801 PT 1. MATCH DRILLED NEW SPLICE IAW SRM 51-40-07-02-0`1. ALODINED, PRIMED AND INSTALLED SPLICE IAW SRM 51-21-10-02-01, 51-25-10-02-01 AND 51-42-05-02-01. FOUND BLENDS TO BE IN LIMITS IAW RD 8/4-53-4880. APPLIED TOP COAT IAW SRM 51-25-15-02-01. APPLIED CPC IAW RD 8/4-53-4880. COMPLIED WITH TASK CARD RD 8/4-53-4880.