# SDR UIEA2021080601713

- 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: Bs1000-1480 S19l
- 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/UIEA2021080601713

## Discrepancy

CORROSION - FND 22EA CORROSION DAMAGE WHEN PERFORM SB 747-53A2878(<P>REMOVE THE ACCESS FASTENERS AND BLEND OUT CORROSION AREA IAW EI NO T2021A53M-2094 REV 0. REPAIR THE DAMAGED AREA IAW EI NO T2021A53M-2094 REV 2 AND SRM 51-40-02 REV 91 DWG NO 65B04124 SH15 REV B; 65B15087 SH46 REV A; 65B05125 SH13 REV -; 65B15087 H13 REV 0; 65B15087 SH16 REV E; 65B15087 SH19 REV. C. JOB COMPLETED AND CONDITION CHK NORMAL.</P>)

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