# SDR UIEA2017082201521

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2017
- Submitted: August 30, 2017
- Operation: Air carrier
- Aircraft: [N1361A](https://openairdocs.org/aircraft/N1361A), registered now
- Make and model: Boeing 767-31B
- Registry model: [Boeing 767-31B](https://openairdocs.org/model/boeing-767-31b) (OpenAirDocs)
- Aircraft serial: 26265
- Aircraft time: 85,508 hours, 18,016 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Circuit Card
- Part number: 89873202
- Part serial: 2083
- Condition: Failed
- Location: Fire Detection
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2017082201521

## Discrepancy

APU FIRE LOOP 1 STATUS MESSAGE.  PERFORMED TROUBLESHOOTING OF THE APU FIRE LOOP 1 IAW FIM 26-15-803.  INSULATION RESISTANCE TEST PASSED.  RESET AFOLTS CARD M685 SYSTEM FUNCTIONED NORMAL.  REMOVED AND REPLACED THE APU FIRE DETECTION CIRCUIT CARD IAW AMM 26-10-01, OPS CHECKED GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.