# SDR Y9PA03172021.1

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N125GH](https://openairdocs.org/aircraft/N125GH), registered now
- Make and model: Gulstm GV
- Aircraft serial: 526
- Aircraft time: 10,752 hours, 3,981 cycles
- System (JASC): [5247 · Auxiliary Power Unit (APU) Doors](https://openairdocs.org/jasc/5247)
- Part: Access Door
- Condition: Corroded
- Location: Apu Bay
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/Y9PA03172021.1

## Discrepancy

CORROSION FOUND ON STRUCTURE WHERE EXTERNAL APU ACCESS DOOR MATES TO THE FUSELAGE.

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