# SDR GR4D20180411001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 11, 2018
- Submitted: April 11, 2018
- Operation: Air carrier
- Filed by: [Gulfstream Services Corporation, repair station GR4D216M](https://openairdocs.org/faa-repair-station/GR4D216M/gulfstream-services-corporation.md) (OpenAirDocs)
- Aircraft: [N518QS](https://openairdocs.org/aircraft/N518QS), registered now
- Make and model: Gulstm GVSPG550
- Aircraft serial: 5075
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Door Frame
- Condition: Corroded
- Location: Bs 767-797
- Part time: 12,887 hours, 4,513 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/GR4D20180411001

## Discrepancy

APU DOOR FRAME HAS CORROSION WHERE APU PANEL SEATS. MAJOR REPAIR.

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