# SDR UPS06447856

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 15, 2006
- Submitted: September 1, 2006
- Operation: Air carrier
- Aircraft: N682UP
- Make and model: Boeing 747121
- Aircraft serial: 20349
- Aircraft time: 104,700 hours, 26,436 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Condition: Corroded
- Location: Fuselage
- 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/UPS06447856

## Discrepancy

BS 680 RBL12 FLOORBEAM UPPER CHORD LWR SURFACE CORROSION.  CORROSION BLEND OUT 0.062" BY 2" BY 2" EXCEED SRM LIMIT.  M/D BS 680 RBL13 FLOORBEAM UPPER CHORD REPAIRED AS PER SRM 51-40-04 FIG 3 REFER NRC 6712 FOR WORKING DETAIL.

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