SDR FDEA201403290598

Service difficulty report · Skin · Boeing 7572B7

Difficulty date: March 29, 2014
Submitted: April 30, 2014
Operation: Air carrier
Aircraft: N975FD
Make and model: Boeing 7572B7
Aircraft serial: 27146
Aircraft time: 60,768 hours, 22,114 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N504634
Condition: Corroded
Location: Nr 1 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

NR 1 PYLON RT AFT SKIN INTERNAL SURFACE BETWEEN STATIONS 144 & 153, LOWER AREA HAS CORROSION & MISSING PRIMER. REMOVED CORROSION IAW SRM 51-10-02. FOUND TO BE OUT OF LIMITS IAW SRM 54-50-01, FIG. 102, DETAIL III. ACCOMPLISHED EA F-5450-T0305710, PT 1. MAJOR REPAIR.

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