Service difficulty report · Frame · Doug DC873F

Difficulty date
June 21, 2003
Submitted
August 23, 2003
Operation
Air carrier
Aircraft
N604AL
Make and model
Doug DC873F
Aircraft serial
46047
Aircraft time
89,636 hours, 28,948 cycles
Part
Frame
Condition
Cracked
Location
Fuselage
Part time
89,636 hours, 28,948 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

FWD ACCY COMPT FRAME CRACKED 2.000, STA 55.000, L-24L. TRIMMED OUT DAMAGED FRAME SEGMENT IAW SRM 53-2-0 FIG 2, TR 53-125, TR 53-110. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. FABRICATED NEW FRAME SEGMENT (7075-T6 AL0.071) AND SPLICE ANGLE (02 EA) (7075-T6 AL0.071) IAW SRM 53-2-0 FIG 2, TR 53-125, TR 53-110. PERFORMED HEAT TREATMENT TO FRAME SEGMENT AND NEW SPLICE ANGLES IAW SRM 51-1-1, DPS 7.00-1. CLEANED, TREATED AND PRIMED FRAME SEGMENT AND NEW SPLICE ANGLES IAW SRM 51-1-8B. INSTALLED FRAME SEGMENT AND NEW SPLICE ANGLES WITH NEW FASTENERS IAW SRM 53-2-0 FIG 2, TR 53-125, TR 53-110, SRM 51-1-20D PG 9, SRM 51-1-21 PG 1.

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