SDR FDEA201109173923

Service difficulty report · Skin · Boeing 75723A

Difficulty date: September 17, 2011
Submitted: September 20, 2011
Operation: Air carrier
Aircraft: N939FD
Make and model: Boeing 75723A
Aircraft serial: 24528
Aircraft time: 57,402 hours, 18,928 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N504654
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 NACELLE STRUT STRUCTURE INBD ACCESS HOLE CUTOUT UPPER STEP EDGES FOR PANEL 433LR, FOUND WITH CORROSION. CORRODED INBD SKIN ON NR1 PYLON, BETWEEN PPST 125 AND PPSTA 208.4, R & R IAW EA F-5450-152562, NR1 STRUT SKIN PANELS REPLACEMENT -RSC TRACKING. REPAIR IS CLASSIFIED AS MAJOR.

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