# SDR KKVA2017072500001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2017
- Submitted: July 25, 2017
- Operation: Air carrier
- Aircraft: [N673MM](https://openairdocs.org/aircraft/N673MM), registered now
- Make and model: Gulstm GVSP
- Aircraft serial: 5139
- Aircraft time: 3,020 hours, 930 cycles
- System (JASC): [4910 · APU Cowling/Containment](https://openairdocs.org/jasc/4910)
- Part: Access Panel
- Condition: Corroded
- Location: Apu Bay
- Part time: 3,020 hours, 930 cycles
- 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/KKVA2017072500001

## Discrepancy

APU ENCLOSURE MOUNTING FLANGE UNDER PANEL 312BL HAS EXCESSIVE CORROSION.

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