Service difficulty report · Skin · Boeing 7572B7

Difficulty date
January 14, 2010
Submitted
January 26, 2010
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
52,338 hours, 21,726 cycles
Part
Skin
Part number
146N3537
Condition
Dented
Location
Bs 1401 S25l
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

STA 1401, 1" BELOW S-25L. FUSELAGE SKIN IS DENTED. MEASURED DENT AT STA 1401 S-25L, A=1.0, Y=.050 . A/Y= 20, FOUND OUT OF LIMITS IAW SRM 53-00-01 FIG 101 DETAIL III. REMOVED SHEAR TIE BETWEEN S-25L TO S-26L. CUT OUT DAMAGED SKIN 3"X4" IAW SRM 53-00-01 FIG 201 REPAIR 2. FABRICATED DOUBLER AND FILLER IAW SRM 53-00-01 FIG 201 REPAIR 2. LOCATED AND DRILLED HOLES IAW SRM 51-40-05. TREATED AND PRIMED IAW SRM 51-20-01. ENLARGED CUT OUT BY .040 IAW SRM 53- 00-01 FIG 201 REPAIR 2. INSTALLED ALL PARTS IAW SRM 51-40-02. CLASSIFIED CATEGORY "B" MAJOR REPAIR WITH HFEC INSP AT 37,500 FC WITH INTERVALS AT 6000 FC IAW TABLE V OF SRM 53-00-01 FIG 201 REPAIR 2.

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