# SDR 0000813211

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 4, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N311US
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 124
- System (JASC): [4920 · APU Core Engine](https://openairdocs.org/jasc/4920)
- Part: Turbine Case
- Condition: Punctured
- Location: Apu
- Stage of operation: UK
- Nature of condition: T, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/0000813211

## Discrepancy

DURING MAIN ENGINE START, APU SHUT DOWN..  MAINTENANCE FOUND A HOLE IN APU COMPRESSOR CASE, NO AC DAMAGE NOTED.  REPLACED THE APU.  CHECKED OK.

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