Service difficulty report · Frame · Boeing 75724APF

Difficulty date
April 4, 2011
Submitted
April 20, 2011
Operation
Air carrier
Aircraft
N439UP
Make and model
Boeing 75724APF
Aircraft serial
25470
Aircraft time
19,397 hours, 12,990 cycles
Part
Frame
Part number
143N11166
Condition
Dented
Location
Bs 780 S23-24r
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

INSPECTION TYPE:C4, FWD CARGO COMPARTMENT STA 780 BETWEEN STR 24R AND 23R FRAME IS DENTED. REMOVED DAMAGE, CUTOUT AREA, HFEC FASTENER HOLES, FABRICATED REP AIR "J" SECTION FROM 7075-0, HEAT TREATED PART TO T6 CONDITION, MADE INSURANCE CUT AT CUT OUT AREA. TRIMMED, DRILLED UP COLD WORKED HOLES, TREATED, PRIMED AND PAINTED REPAIR PARTS. INSTALLED REPAIR IAW SRM 53-0 0-07-2R5 FRAME ORIGINAL MATERIAL IS 7075-T6 .063.

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