Service difficulty report · Floorbeam · Doug DC873F

Difficulty date
April 5, 2006
Submitted
April 25, 2006
Operation
Air carrier
Aircraft
N801DH
Make and model
Doug DC873F
Aircraft serial
46033
Aircraft time
83,564 hours, 31,809 cycles
Part
Floorbeam
Condition
Misdrilled
Location
Bs 857
Part time
83,564 hours, 31,809 cycles
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

UPPER CARGO COMPT FLOORBEAM UPPER FLANGE MISDRILLED HOLE STA 857.125 LBL 37.5. PERFORMED MAJOR REPAIR IAW FAA FORM 8110-3 DATED 03-28-06, EO# AST060304 DATED 03-16-06. REMOVED FASTENERS IAW SRM 51-1-21, SRM 51-1-20D. CUT OUT DAMAGED SECTION IAW EO# AST060304. PERFORMED NDT INSPECTION IAW DC8 NDT SPM PART 06-10-01-001. FABRICATED REPAIR ANGLE (AL7075T6 511 0.250") AND FILLER (AL7075T6 511 0.280") AND SHIM (AL7075T6 0.063") IAW EO# AST060304. HEAT TREATED FILLER FROM AL7075T6511 TO 7075T6 IAW SRM 51-1-1 PG. 1,13,17. CLEANED, TREATED AND PRIMED AREA AND REPAIR PARTS IAW SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW SRM 51-1-11. INSTALLED REPAIR PARTS IAW EO# AST 060304, SRM 51-1-20D, SRM 51-3-1.

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