# SDR UIEA2023030900215

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 8, 2023
- Submitted: March 10, 2023
- Operation: Air carrier
- Aircraft: [N476MC](https://openairdocs.org/aircraft/N476MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29256
- Aircraft time: 7,954,299 hours, 17,179 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: None
- Condition: None
- 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/UIEA2023030900215

## Discrepancy

CORROSION ON M/D FLOOR BEAM UPPER CAP NEAR STA 1580 LBL 77 ~ LBL 99(<P>1. ACCOMPLISHED JOB IAW EI NO T2023A53N-170 SEQUENCE A REV0 AND DWG 65B338079 SH9 REV- 2. ACCOMPLISHED FINAL EI NO. T2023A53M-170 REV1 3. CONDITION CHECK NORMAL AND JOB COMPLETED</P>)

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