# SDR C1HA200181012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 29, 2001
- Submitted: August 15, 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): [2611 · Smoke Detection](https://openairdocs.org/jasc/2611)
- Part: Power Unit
- Part number: 1011C
- Part serial: 3015
- Condition: Failed
- Location: Only
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/C1HA200181012

## Discrepancy

Fire bells inop in firwall test position.ACTION TAKEN:T/S and found #1 operating power unit bad R&R'd and ops checked good.

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