# SDR FDEA202109072236

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 7, 2021
- Submitted: September 20, 2021
- Operation: Air carrier
- Aircraft: [N631FE](https://openairdocs.org/aircraft/N631FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48454
- Aircraft time: 106,889 hours, 21,670 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron Splice
- Part number: A5A7125501
- Condition: Cracked
- 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/FDEA202109072236

## Discrepancy

DURING CORROSION REMOVAL OF LONGERON 48 LEFT HAND - LOWER CENTER CARGO   COMPARTMENT BILGE STATION 5-123 LONGERON 48 LEFT HAND SPLICE FOUND CRACK. LOWER CENTER CARGO COMPARTMENT BILGE STATION 5-123, LONGERON 48 LEFT HAND,   CRACK SPLICE REMOVED AND INSTALLED WITH FABRICATED SPLICE AS PER SRM 51-33-01-OG.   SPLICE FABRICATED AS PER DOUGLAS DRAWING A5A7125 REVISION A. REPAIR CLASSIFIED AS   MAJOR PER GMM 6-2-100.

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