# SDR FDEA201106012066

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2011
- Submitted: June 1, 2011
- Operation: Air carrier
- Aircraft: N645FE
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48446
- Aircraft time: 73,567 hours, 12,217 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Condition: Corroded
- Location: Bs 1321-1341
- 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/FDEA201106012066

## Discrepancy

LONGERON 25R BETWEEN STA 1321-1341 CORRODED.   CORROSION REMOVED IAW SRM51-21-01, REV 46.  ORIGINAL THICKNESS : 0.200", MATERIAL REMOVED : 0.090" & REMAINING THICKNESS : 0.110" FOUND EXCEEDED LIMIT SRM53-00-00, FIG 205, REV 46.  LONGERON REMOVED AND REPLACED IAW SRM 51-31-01, REV 46.  REPAIR CLASSIFIED AS MAJOR IAW GMM6-2-100, REV 112.

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