# SDR FDEA202503180433

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 18, 2025
- Submitted: March 19, 2025
- Operation: Air carrier
- Aircraft: [N523FE](https://openairdocs.org/aircraft/N523FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48479
- Aircraft time: 93,403 hours, 19,559 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: A5A70311
- 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/FDEA202503180433

## Discrepancy

LOWER CENTER CARGO BILGE AREA LONGERON 46RIGHT FOUND WITH CORROSION AT STATION   5-113.  LOWER CENTER CARGO BILGE AREA LONGERON 46RIGHT STATION 5-113 CORRODED LONGERON   REMOVED AND REPLACED BY FABRICATED LONGERON AS PER MD-11 SRM 51-31-01-0G.   LONGERON FABRICATED PER DOUGLAS DRAWING A5A7031 REVISION B. REPAIR CLASSIFIED AS   MAJOR PER GMM 6-2-100. CORROSION AT STATION 5-113 LONGERON- 46RIGHT EVALUATED AND   FOUND EXCEEDED LIMIT AS PER MD-11 SRM 53-00-00-2R FIGURE 205.

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