# SDR UPS01236905

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 13, 2001
- Submitted: September 28, 2001
- Operation: Air carrier
- Aircraft: [N912UP](https://openairdocs.org/aircraft/N912UP), registered now
- Make and model: Boeing 727-62C
- Registry model: [Boeing 727-62C](https://openairdocs.org/model/boeing-727-62c) (OpenAirDocs)
- Aircraft serial: 19244
- Aircraft time: 55,552 hours, 49,278 cycles
- System (JASC): [5711 · Wing Spar](https://openairdocs.org/jasc/5711)
- Part: Spar
- Condition: Corroded
- Location: Center Wing
- 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/UPS01236905

## Discrepancy

INSPECTION TYPE:C EVIDENCE OF CORROSION ON CENTER TANK FRONT SPAR UPPER CHORD VERTICAL  FLANGE AT BS 740 RBL 25. REPAIRED IAW SRM 51-30-02 RBL 19 TO 31.

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