# SDR UIEA2018070301332

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 8, 2018
- Submitted: July 16, 2018
- Operation: Air carrier
- Aircraft: [N489MC](https://openairdocs.org/aircraft/N489MC), registered now
- Make and model: Boeing 747412F
- Aircraft serial: 26553
- Aircraft time: 93,789 hours, 16,571 cycles
- System (JASC): [5314 · Fuselage Main, Keel](https://openairdocs.org/jasc/5314)
- Part: Keelbeam
- 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/UIEA2018070301332

## Discrepancy

ATA 53-12, FOUND CORROSION ON KEELBEAM TAPERED LWR CHORD BETWEEN STA 1009 TO STA 1019 WL 91.0 LBL 9 AS MARKED. CORROSION ON KEELBEAM TAPERED LWR CHORD BETWEEN STA 1009 TO STA 1022 WL 91 LBL 9 REPAIRED AS PER EN 1116-18 REV ' - '.

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