SDR FDEA201203130928

Service difficulty report · Skin · Boeing 7572G5

Difficulty date: March 13, 2012
Submitted: March 14, 2012
Operation: Air carrier
Aircraft: N962FD
Make and model: Boeing 7572G5
Aircraft serial: 24176
Aircraft time: 64,720 hours, 22,786 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N504651
Condition: Corroded
Location: Lt Pylon
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

LEFT PYLON, LT SIDE THRU ACCESS PANEL, NR 433BL, CORROSION ON INTERNAL SKIN. REMOVED CORROSION IAW SRM 51-10-02. MATERIAL LOSS .023, ORIGINAL .090, REMAINING .067, OUT OF LIMITS OF SRM 54-50-01, FIG 101, DETAIL V. LOCATED, DRILLED AND COUNTERSUNK NEW SKIN IAW SRM 51-40-05 AND BAC DWG 311N5002. INSTALLED IAW SRM 51-40-02 AND BAC DWG 311N5002. MAJOR REPAIR.

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