# SDR FDEA201203140946

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 14, 2012
- Submitted: March 15, 2012
- Operation: Air carrier
- Aircraft: [N962FD](https://openairdocs.org/aircraft/N962FD), registered now
- Make and model: Boeing 757-2G5
- Registry model: [Boeing 757-2G5](https://openairdocs.org/model/boeing-757-2g5) (OpenAirDocs)
- Aircraft serial: 24176
- Aircraft time: 64,720 hours, 22,786 cycles
- System (JASC): [5414 · Nacelle/Pylon, Plate/Skin](https://openairdocs.org/jasc/5414)
- Part: Skin
- Part number: 311N51931
- Condition: Corroded
- Location: Lt Pylon
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA201203140946

## Discrepancy

LT PYLON  ACCESS THRU PANEL 433AL HAS CORROSION  IN BETWEEN CUT-OUT AND SKIN.  REMOVED CORROSION IAW SRM 51-10-02. CHECKED LIMIT OF REMOVAL, REMOVED .017,   ORIGINAL .090, REMAINING .063, OUT OF LIMITS IAW SRM 54-50-01, FIG 101, DETAIL V.   LOCATED, DRILLED AND COUNTER SUNK NEW SKIN IAW SRM 51-40-02, 51-40-05 AND BAC DWG 311N5002.  INSTALLED NEW SKIN IAW SRM 51-40-05 AND BAC DWG 311N5002.  MAJOR REPAIR.

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