# SDR C1HA200181005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 10, 2001
- Submitted: June 20, 2001
- Operation: Air carrier
- Aircraft: [N681CA](https://openairdocs.org/aircraft/N681CA), registered now
- Make and model: Boeing 727-2S7
- Registry model: [Boeing 727-2S7](https://openairdocs.org/model/boeing-727-2s7) (OpenAirDocs)
- Aircraft serial: 22020
- System (JASC): [4960 · APU Controls](https://openairdocs.org/jasc/4960)
- Part: Sensor
- Part number: 10508003756
- Part serial: 72377
- Condition: Faulty
- Location: Apu
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: F, D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C1HA200181005

## Discrepancy

APU Fire Bell and light illuminated after APU shutdown. APU fire bottle discharged.ACTION TAKEN:Inspected and placed on MEL 49-1.Cleared MEL:Removed and replaced Apu overheat sensor ops cks good. Removed and replaced depleted fire bottle.

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