Service difficulty report · Floorbeam · Doug DC871F

Difficulty date
February 7, 2011
Submitted
April 8, 2011
Operation
Air carrier
Aircraft
N821BX
Make and model
Doug DC871F
Aircraft serial
45811
Aircraft time
91,517 hours, 39,480 cycles
Part
Floorbeam
Condition
Cracked
Location
Bs 960
Part time
91,517 hours, 39,480 cycles
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

DURING ROUTINE C-CHECK INSP FOUND MAIN CARGO COMPARTMENT FLOORBEAM WEB CRACKED AT STA 960.000 LT BOTTOM LINE 56. REMOVED FASTENERS AS NEEDED TO PERFORM REPAIR. REMOVED DAMAGED AREA. FABRICATED NEW EXTRUSION ANGLE AND FILLER. CLEANED TREATED, PRIMED AREA AND REPAIRED PARTS. INSTALLED NEW FASTENERS AND REPAIRED PARTS IAW SRM CHAPTER 51-2-1 FIG 1 TR 51-130, SRM 51-1-21, SRM 51-1-20D, DPS 4.710 REV."L", SRM 51-1-8B, SRM 51-1-20D AND SRM 51-3-1.

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