Service difficulty report · Fitting · Doug DC873

Difficulty date
November 28, 2005
Submitted
January 3, 2006
Operation
Air carrier
Aircraft
N803DH
Make and model
Doug DC873
Aircraft serial
46123
Aircraft time
82,180 hours, 30,262 cycles
Part
Fitting
Condition
Cracked
Location
Nr 4 Alt Tank
Part time
82,180 hours, 30,262 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

ITEM REF NR 039051: NR 4 ALT TANK S-64 END CRACKED 1 INCH STA XRS 445.000 (MAJOR REPAIR). PERFORMED MAJOR REPAIR IAW SRM 57-2-2 FIG. 3D TR# 57-86. REMOVED FASTENERS IAW SRM 51-1-20D. FABRICATED REPAIR ANGLE (EXTRUSION AND 101342003 0.090") IAW SRM 57-2-2 FIG. 3D SHEET 2, TR# 57-86, SRM 57-4-3 FIG. 6 ITEM "D". TAPERED REPAIR ANGLE FROM 0.090" TO 0.063" IAW SRM 57-2-2 FIG. 3D SHEET 1, TR 57-86. CLEANED, TREATED AND APPLIED YELLOW TOP COATING IAW SRM 51-1-12 PG. 7,25. APPLIED PRC SEALANT TO FAYING SURFACES IAW SRM 51-1-12. INSTALLED REPAIR ANGLE IAW SRM 51-1-20D. TORQUED IAW SRM 51-3-1. FOR LEAK CHECK REFER TO NR. 039053

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