# SDR UPS02439209

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 22, 2002
- Submitted: August 28, 2002
- Operation: Air carrier
- Aircraft: N672UP
- Make and model: Boeing 747123
- Aircraft serial: 20324
- Aircraft time: 68,213 hours, 20,211 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/UPS02439209

## Discrepancy

INSPECTION TYPE:C, COCKPIT BS 340 RBL 10 - 20 FLOOR BEAM UPPER CHORD CORRODED.  CORROSION REMOVED IAW 51-10-01 EXCEED SRM LIMIT 53-10-07 FIG 16.

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