# SDR FDEA201109013617

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2011
- Submitted: September 1, 2011
- Operation: Air carrier
- Aircraft: [N643FE](https://openairdocs.org/aircraft/N643FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48486
- Aircraft time: 48,609 hours, 9,839 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar Cap
- Condition: Corroded
- Location: Zone 500
- 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/FDEA201109013617

## Discrepancy

LT WING REAR SPAR UPPER CAP FORWARD OF NR 4 SPOILER FOUND CORRODED.  CORROSION REMOVED IAW SRM 51-21-01 AND FOUND OUT OF LIMITS IAW SRM 57-00-10, REV 47, FIG 201.  ORIGINAL MATERIAL THICKNESS = 0.290"; MATERIAL REMOVED = 0.060";  MATERIAL REMAINED = 0.230".  REPAIR CARRIED OUT.  CLASSIFIED AS MINOR IAW GMM 6-2-100, REV 113.

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