# SDR UPS99230753

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N935UP
- Make and model: Boeing 727-1A7C
- Registry model: [Boeing 727-1A7C](https://openairdocs.org/model/boeing-727-1a7c) (OpenAirDocs)
- Aircraft serial: 20143
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Ws 525
- 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/UPS99230753

## Discrepancy

INSPECTION TYPE:C, CORROSION (C57-562-02.00E-01) AT LT WING STA 525 UPPER SPAR CHORD.  REMOVED AND REPLACED SPAR (UPPER CHORD) IAW BFG ER 99-5890 (UPS FILE NR 727-57-2118).

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