# SDR 99ZZZM798

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N429EX](https://openairdocs.org/aircraft/N429EX), registered now
- Make and model: Boeing 727-22C
- Registry model: [Boeing 727-22C](https://openairdocs.org/model/boeing-727-22c) (OpenAirDocs)
- Aircraft serial: 19100
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Loop
- Part number: 18252800
- Condition: Out Of Adjust
- Location: Nr 3 Engine
- Stage of operation: DE
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZM798

## Discrepancy

FLT 720 - DTW-IND - NR 3 FIRE DETECTION CIRCUIT GROUND LIGHT ILLUMINATED ON DESCENT, ALL OTHER INDICATION NORMAL AND LIGHT EXTINGUISHED BEFORE LANDING.  ADJUSTED FIRE LOOP AWAY FROM ENGINE.  (M)

---
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.