# SDR UIEA2023052200465

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2023
- Submitted: May 22, 2023
- Operation: Air carrier
- Aircraft: [N499MC](https://openairdocs.org/aircraft/N499MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29260
- Aircraft time: 93,848 hours, 16,031 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Unknown
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023052200465

## Discrepancy

CORROSION ON THE FUSELAGE SKIN AT 2-42L BETWEEN STA 1720 & STA 1740(<P>1) REMOVED THE AFFECTED FASTENERS IAW SRM 51-40-02-0G-0 REV 97. 2) PERFORMED EI T2023A53M-834 SEQUENCE A REV 0. 3) ACCOMPLISHED EI T2023A53M-834 REV 1 & CONDITION CHECK NORMAL. 4) RECORD THE REPAIR DOUBLER IS CONFIGURATION 2, REFER TO EI 4453A488 PART 2 STEP 4 REV 11 AND JOB COMPLETED</P>)

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