Service difficulty report · Skin · Boeing 75728A

Difficulty date
September 12, 2009
Submitted
September 14, 2009
Operation
Air carrier
Aircraft
N913FD
Make and model
Boeing 75728A
Aircraft serial
24017
Aircraft time
84,316 hours, 25,419 cycles
Part
Skin
Part number
311N504631
Condition
Corroded
Location
Zone 400
Stage of operation
IN
How discovered
9
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

LT PYLON EXT LWR OTBD SKIN JUST BELOW MID SPAR FUSE PIN (APROX PP-185 TO PPS-196 ) HAS CORROSION. REMOVED CORROSION IAW SRM 54-50-01, DETAIL 1 AND FIG 101. ORIGINAL MAT 0.090 INCH, REMAINING MAT. 0.074 INCH, L=12.0 INCH, W=1.75 INCH, D=0.016 INCH FOUND TO BE OUT OF LIMITS IAW SRM 54-50-01, DETAIL 1, FIG. 101. RECEIVED AND COMPLIED WITH EA F-5450-131112, DATED 08/10/09, TREATED AND PRIMED REWORK AREA IAW SOPM 20-43-03 AND SRM 51-20-01, THIS IS A CATEGORY "A" MAJOR REPAIR.

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