# SDR UIEA2018082801819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2018
- Submitted: August 30, 2018
- Operation: Air carrier
- Aircraft: [N419MC](https://openairdocs.org/aircraft/N419MC), registered now
- Make and model: Boeing 747-48EF
- Registry model: [Boeing 747-48EF](https://openairdocs.org/model/boeing-747-48ef) (OpenAirDocs)
- Aircraft serial: 28367
- Aircraft time: 92,991 hours, 16,160 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- 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/UIEA2018082801819

## Discrepancy

FWD FLOORBEAM CORROSION. REPAIR AREA NEW UPPER CHORD IS FROM STA 1540, LBL 62 OVERLAP CORROSION AREA. REPAIR IAW SRM 53-00-51-2R-3 REV 83 AND EI 72018A53M-4121 REV 1 AND DWG 65B38077 SH7 REV. COND CHK NML AND JOB COMPLETED.

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