Service difficulty report · Floorbeam · Doug DC873F

Difficulty date
February 5, 2004
Submitted
February 13, 2004
Operation
Air carrier
Aircraft
N806DH
Make and model
Doug DC873F
Aircraft serial
46002
Aircraft time
84,257 hours, 26,080 cycles
Part
Floorbeam
Condition
Cracked
Location
Fuselage
Part time
84,257 hours, 26,080 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

MAIN CARGO COMPT FWD CENTER SECTION FLOORBEAM CRACKED 3.000 AT STA 140.000 LBL 32. PERFORMED MAJOR REPAIR. REMOVED FASTENERS. CUT OUT FLOORBEAM DAMAGED AREA. INSPECTED FOR CRACK IAW DC8 NDT SPM PART 06-10-01-001. NO CRACK FOUND. FABRICATED 2EA ANGLE DOUBLER (7075-T6 0.160), 2EA FILLER-FWD/AFT ( 7075-T6 0.071), 2EA SPLICE DOUBLER-FWD/AFT (7075-T6 0.071), 1EA FILLER -T- (7075-T6 0.125), 1EA CLIP (7075-T6 0.090) AND 1EA SPACER (7075-T6 0.142) IAW ED EDU80-4, DWG U80-R04. CLEANED, TREATED AND PRIMED AREA AND FABRICATED PARTS IAW SRM 51-1-8B. APPLIED PRC SEALANT ON FAYING SURFACES IAW SRM 51-1-11 PG 9. INSTALLED PARTS ON FLOORBEAM STA 140.000 LBL 32 WITH NEW FASTENERS.

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