# SDR UPS00233556

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 25, 2000
- Submitted: August 14, 2000
- Operation: Air carrier
- Aircraft: [N933UP](https://openairdocs.org/aircraft/N933UP), registered now
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19857
- Aircraft time: 51,826 hours, 40,151 cycles
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BAC1518391
- 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/UPS00233556

## Discrepancy

INSPECTION TYPE:SI, CORROSION (C53-111-01.00-03) FWD CARGO BAY BS 660 FLOORBEAM FWD SIDE UPPER FLANGE LOWER SURFACE AT LBL 45 TO LBL 50.  REMOVED CORROSION IN DESCREPANT AREA AT LBL 45 IN A 2.4 X 1.0 X .030 ORIGINAL THICKNESS .240 OUT OF LIMITS.  REMOVED UPPER CHORD OF FLOORBEAM AT BS 660 LBL 8-LBL 72.  FABRICATED NEW UPPER CHORD AND REPAIR PARTS AND INSTALLED IAW SRM 53-10-8 AND SRM 51-30-2.

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