# SDR 05FDEA02852

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2005
- Submitted: September 13, 2005
- Operation: Air carrier
- Aircraft: N577FE
- Make and model: Doug MD-11
- Registry model: [Doug MD-11](https://openairdocs.org/model/mcdonnell-douglas-md-11) (OpenAirDocs)
- Aircraft serial: 48469
- Aircraft time: 40,789 hours, 8,609 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Structure
- Condition: Corroded
- Location: Lt Wing
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/05FDEA02852

## Discrepancy

DURING PASSENGER TO FRIEGHT CONVERSION, FOUND THE SEQUENT PUFFIN CORROSIONS ON THE UPPER LEFT WING SKIN IN THE FOLLOWING ZONES: FROM WING CROSS-SECTION STA XORS 97 TO XORS 1042.  NOTE: THE UPPER MENTIONED CORROSIONS HAVE BEEN INDIVIDUALIZED IN 38 POINT.  BLENDOUT ALL EVIDENCE OF CORROSION AS PER SRM 57-10-00 FIG 32.  MEASURE AND RECORD REWORKED POSITION, DIMENSIONS AND SKIN RESIDUAL THICKNESS.  REWORKED AREA ARE ACCEPTABLE PER SRM 57-10-00 FIG 32 AND BOEING MESSAGE N 1-111785997-4.  PROTECT AREA PER SRM 51-21-02.

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