# SDR UPS05443832

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 9, 2005
- Submitted: February 2, 2005
- Operation: Air carrier
- Aircraft: [N675UP](https://openairdocs.org/aircraft/N675UP), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20390
- Aircraft time: 74,557 hours, 21,365 cycles
- System (JASC): [5321 · Fuselage Floor Panel](https://openairdocs.org/jasc/5321)
- Part: Floor Panel
- Part number: 65B1635112
- Condition: Corroded
- Location: Fuselage
- 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/UPS05443832

## Discrepancy

STA 1170 TO 1250, BTN L11 AND R11 FLR METAL PNL SKIN FOUND CORR.  METAL FLOOR PANEL REPAIRED AS PER RS R53-20-35251 AND EO B747-5320- 21675-A AND THIS METAL PANEL NEED REPLACEMENT WITHIN 18 MONTHS OR 1000 CYCLES WHICHEVER OCCURS FIRST.  CORROSION BLEND OUT DEPTH 0.040 INCH WIDTH 2 INCHES LENGTH 5 INCH OUT OF SRM 53-10-01 FIG 1 LIMIT.

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