Service difficulty report · Frame · Boeing 7272Q9

Difficulty date
August 5, 2007
Submitted
August 11, 2007
Operation
Air carrier
Aircraft
N741DH
Make and model
Boeing 7272Q9
Aircraft serial
21931
Aircraft time
48,407 hours, 38,367 cycles
Part
Frame
Condition
Dented
Location
Bs 660
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 PIT, BS 660, AT STR 22R, MAIN FRAME UPPER FLANGE DENTED. CUT OUT DAMAGED AREA, DIMENSIONS 1.625 BY .5, REMOVED EXISTING REPAIR TO INCORPORATE WITH NEW REPAIR. FABRICATED REPAIR DOUBLER FROM 7075-T0, .063 BY 25 BY 3.75 PER B727 SRM 51-40-3 FIG 1 AND 53-10-2 FIG 5. HEAT TREATED DOUBLER TO T-6 CONDITION PER FASI ER NR 2-37153-801 REV A. TREATED, PRIMED, AND INSTALLED REPAIR DOUBLER BETWEEN STR 22R AND 24R, BS 660, PER B727 SRM 51-10-2 AND 51-40-3 FIG 1.

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