Service difficulty report · Frame · Doug DC873F

Difficulty date
June 6, 2011
Submitted
July 12, 2011
Operation
Air carrier
Aircraft
N807DH
Make and model
Doug DC873F
Aircraft serial
45990
Aircraft time
94,040 hours, 29,957 cycles
Part
Frame
Condition
Deformed
Location
Zone 200
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 BAY FRAME DEFORMED BS 1580.000 L19TO 21R. PERFORMED MAJOR REPAIR IAW SRM 53-2-0 FIG. 2 SHEET 6, SRM 53-4-1 FIG. 51 SHEET 21. REMOVED DEFORMED FRAME SEGMENT & EXISTING ANGLES IAW SRM 51-1-20D. FABRICATED NEW SEGMENT IAW SRM 53-4-1 FIG. 51 SHEET 21 ITEM "A", SRM`S 53-2-0 FIG 2, SHEET 2, 51-2-0, FIG 52, SHEET 2, 53-2-0 FIG 2, SHEET 6, 53-2-0 FIG SHEET 7-8, TR 53-110. HEAT TREATED FROM TO T6 IAW SRM 51-1-1 PG 1-13-17. NDT INSPECTED NEW FRAME SEGMENT IAW NDT SPM PART 8, SRM 51-1-0A, TR NR 51-144. NO CRACK NO CORROSION FOUND. CLEANED, TREATED & PRIMED AREA & EXISTING ANGLES IAW SRM 51-1-8B. INSTALLED NEW FRAME & EXISTING ANGLES IAW SRM`S 53-2-0, FIG 2, SHEET 6, 51-1-11, 51-1-21, 51-1-20D, & 51-3-1.

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