# SDR UPS99228558

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 27, 1999
- Submitted: March 26, 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
- System (JASC): [5754 · Leading Edge Devices](https://openairdocs.org/jasc/5754)
- Part: Skin
- Condition: Corroded
- Location: Nr 4 Le Flap
- 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/UPS99228558

## Discrepancy

INSPECTION TYPE-C, NR 4 K-FLAP AND BULLNOSE ARE CORRODED AT INBD LOWER BONDING JUMPER ATTACHMENT POINTS.  REPLACED K-FLAP PER MM 27-81-01 AND ADJUST/TEST PER 727 MM 27-81-00.

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