SDR FDEA201112135255

Service difficulty report · Skin · Boeing 757225

Difficulty date: December 13, 2011
Submitted: December 19, 2011
Operation: Air carrier
Aircraft: N941FD
Make and model: Boeing 757225
Aircraft serial: 22691
Aircraft time: 68,155 hours, 27,008 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N51932
Condition: Corroded
Location: Lt Nacelle
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 NACELLE STRUT PANEL 433GR CUT OUT INTERNAL SURFACE CORRODED. REMOVED CORROSION IAW SRM 54-50-01; BEFORE: .130", AFTER: .070", LOSS: .060", FOUND OUT OF LIMITS IAW SRM 54-50-01, FIG 101, DETAIL 3. R & R SKIN IAW DWG 311N5193, AND SRM 51-40-02. MAJOR REPAIR.