SDR FDEA201206192279

Service difficulty report · Skin · Boeing 757236

Difficulty date: June 19, 2012
Submitted: June 20, 2012
Operation: Air carrier
Aircraft: N958FD
Make and model: Boeing 757236
Aircraft serial: 24371
Aircraft time: 51,823 hours, 22,005 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Part number: 311N504633
Condition: Corroded
Location: Nr 2 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 2 PYLON LT SIDE SKIN INTERNAL SURFACE BET, PP STA 144 AND 174 HAS CORROSION. REMOVED CORROSION IAW SRM 51-40-02, FOUND OUT LIMITS IAW SRM 54-50-01, PG 101 DETAIL III. ORIGINAL THICKNESS .090" REMAINING THICKNESS .060". REPAIRED NR 2 PYLON LT SIDE SKIN IAW EA F-5450-162405, NACELLES/PYLONS- NR 2 PYLON INBD SKIN CORROSION REPAIR. REF FORM 8100-9, DATED 08/01/12 FOR APPROVAL. MAJOR REPAIR.