# SDR FDEA202010042410

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2020
- Submitted: October 5, 2020
- Operation: Air carrier
- Aircraft: [N603FE](https://openairdocs.org/aircraft/N603FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48459
- Aircraft time: 82,662 hours, 19,855 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Doubler
- Part number: ARB71771
- Condition: Corroded
- Location: Lt Mlg Ww
- 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/FDEA202010042410

## Discrepancy

LEFT HAND WING, UPPER WING SURFACE MAIN LANDING GEAR SUPPORT UPPER DOUBLER FOUND CORROSION.  CORROSION REMOVED AND FOUND EXCEED LIMIT AS 0.100" MAXIMUM MATERIAL REMOVAL.  REMOVAL FOR GENERAL CORROSION REMOVAL, PER SRM 57-20-01-1A FIGURE 101 ALLOWABLE DAMAGE 1 AND CARRIED OUT REPAIR, AS PER EA: 1-5730-T0356842 PART 1.  TITLE: WINGS-PLATES AND SKINS-LT WING-CORROSION ON MLG SUPPORT UPPER DOUBLER BETWEEN AUX SPAR AND YW 467.  REPAIR CLASSIFIED AS MAJOR, PER GMM 6-2-100.

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