# SDR FDEA201109093792

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 9, 2011
- Submitted: September 9, 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): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: A6A70271
- Condition: Corroded
- Location: Zone 100
- 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/FDEA201109093792

## Discrepancy

FWD CARGO - AT STA 1129 TO STA 6-10 LOGERON 51L FOUND CORRODED.  CORROSION REMOVED IAW SRM 51-21-01 REV 47.  ORIGINAL THICKNESS = 0.090"; MATERIAL REMOVED= 0.052"; MATERIAL REMAINED = 0.038", FOUND EXCEEDED LIMIT IAW SRM 53-00-00, REV 47, FIG 205.  FABRICATED NEW LONGERON IAW DWG AGA7027, REV -.  CORRODED LONGERON TRIMMED-OFF FROM EXISTING SPLICE AT STA 6-00 TO AFT END AT STA 6-80 AND NEW LONGERON INSTALLED IAW SRM 51-31-01, REV 47.  REPAIR CLASSIFIED AS MINOR IAW GMM 6-2-100, REV 113.

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