Service difficulty report · Cusp Web · Doug DC873F

Difficulty date
November 23, 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
Cusp Web
Condition
Cracked
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 CUSP EXTRUSION CRACKED 2.000, STA 1080.000 L-21R (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 53-2-5 FIG 15, TR 53-179. REMOVED FASTENERS IAW SRM 51-1-20D PG 21, SRM 51-1-21 PG 1. CUT OUT CUSP EXTRUSION DAMAGED SEGMENT IAW SRM 53-2-5 FIG 15 PG 35-38. FABRICATED 4EA SPLICES (7075"0"0.160) AND 1EA EXTERNAL DOUBLER (7075 "0" 0.071) IAW SRM 53-2-5 FIG 15 SHEET 2, 4, 5. HEAT, TREATED SPLICES AND EXTERNAL DOUBLER IAW DACO DPS 7.00. CLEANED, TREATED AND PRIMED IAW SRM 51-1-8B. APPLIED PRC SEALANT TO FAYING SURFACES IAW SRM 51-1-11 PG 1. INSTALLED NEW CUSP EXTRUSION SEGMENT (EXTRUSION S2757602) EXTERNAL DOUBLER, SPLICES AND NEW FASTENERS.

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