# SDR UIEA2021080601730

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N475MC](https://openairdocs.org/aircraft/N475MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29252
- Aircraft time: 88,819 hours, 16,665 cycles
- System (JASC): [5330 · Fuselage Main, Plate/Skin](https://openairdocs.org/jasc/5330)
- Part: Skin
- Condition: Corroded
- Location: Bs 1620-1660
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021080601730

## Discrepancy

CORROSION DAMAGE ON INNER SURFACE OF FUSELAGE SKIN BETWEEN STA 1620 AND 1660, S-50L AND 51L(<P>REMOVE DAMAGE PARTS IAW SRM 51-40-02 REV 91. ACCOMPLISH EI T2021A53M-2152 REV 2. JOB COMPLETED AND CONDITION CHECK NORMAL</P>)

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