# SDR UIEA2021040200793

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2021
- Submitted: April 2, 2021
- Operation: Air carrier
- Aircraft: [N492MC](https://openairdocs.org/aircraft/N492MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 29253
- Aircraft time: 83,536 hours, 16,163 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Floor Support
- Part number: 654U66251901
- Condition: Corroded
- Location: Main Deck Cargo
- 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/UIEA2021040200793

## Discrepancy

FOUND MAIN DECK CGO FLOOR STRUCTURE CORROSION. LOC: STA 1410, LBL 11 (UPPER CHORD). REMOVE DAMAGED PART IAW SRM 51-40-02 REV 91. INSTALL NEW PART IAW SRM 51-40-02 REV 91 AND DWG NO 65B24600 SH19, REV C, SH20 REV B, 14448204 SH1 REV -, SH5 REV - 144U8703 SH5 REV -, SH2 REV -, SH3 REV -, SH4 REV -, SH1, REV A. JOB COMPLETED.

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