Service difficulty report · Floorbeam · Doug DC873F

Difficulty date
November 17, 2004
Submitted
February 1, 2005
Operation
Air carrier
Aircraft
N873SJ
Make and model
Doug DC873F
Aircraft serial
46091
Aircraft time
85,619 hours, 22,871 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
Part time
85,619 hours, 22,871 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 UPPER FLOORBEAM FLANGE CORRODED, STA 1300.000 RBL 8 TO RBL 16 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 53-2-0 FIG 1G, TR 53-124. REMOVED CORROSION FROM UPPER FLOORBEAM FLANGE AT STA 1300.000 RBL 8 TO RBL 16 IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 53-2-0 PG 2P. BLENDED OUT DAMAGED AREA IAW SRM 53-2-0 FIG 1F NOTE 7. APPLIED PRC SEALANT TO BLENDOUT AREA IAW SRM 53-2-0 FIG 1G PAR C. FABRICATED REPAIR ANGLE (EXTRUSION 7075-T6 0.100) AND STEEL STRAP (301 1/4H 0.020) IAW SRM 53-2-0 FIG 1G, SRM 53-7-3 FIG 10. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. INSTALLED REPAIR ANGLE AND STEEL STRAP IAW SRM 53-2-0 FIG 1G, SRM 51-1-20D PG 9.

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