# SDR DHL2001712016

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 13, 2001
- Submitted: October 15, 2001
- Operation: Air carrier
- Aircraft: N712DH
- Make and model: Boeing 727-29
- Registry model: [Boeing 727-29](https://openairdocs.org/model/boeing-727-29) (OpenAirDocs)
- Aircraft serial: 19401
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Condition: Broken
- Location: Nr 3 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHL2001712016

## Discrepancy

NR 3 FIRE DETECTOR CIRCUIT GROUND LIGHT ILLUMINATED INFLIGHT.  NR 3 ENGINE DETECTOR CIRCUIT GROUND LIGHT ILLUMINATED DURING CLIMBOUT FROM MCI.  IN CRUISE, LIGHT DIMMED BUT REMAINED ON.  OPENED NR 3 ENGINE CHECKED ROUTING OF SENSOR LOOP SECURE CLAMP AND REPOSITIONED LOOP SYSTEM CHECK GOOD IAW (REF 26-11-000) CLOSED COWLING.  REPAIRED BROKEN WIRE ON NR 3 ENG FIRE LOOP IAW WPM 20-10-13 & 20-60-06.  TESTED IAW MM 26-11-01.  SYSTEM OPS CKECKS 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.