# SDR UPS203811

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 11, 1995
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N918UP](https://openairdocs.org/aircraft/N918UP), registered now
- Make and model: Boeing 727-30C
- Registry model: [Boeing 727-30C](https://openairdocs.org/model/boeing-727-30c) (OpenAirDocs)
- Aircraft serial: 19008
- System (JASC): [5315 · Fuselage Main, Floor Beam](https://openairdocs.org/jasc/5315)
- Part: Floorbeam
- Part number: BAC1505100276
- Condition: Corrosion
- Location: Fs 740
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS203811

## Discrepancy

WHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON FLOORBEAM UNDERSIDE OF UPPER CHORD AT STA 740, BL 0-LBL 25, WL 208.5.  REPAIRED IAW SRM 53-10-1, 51-30-5, 51-30-2, 51-10-1.

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