# SDR AALA20091014ORD01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 14, 2009
- Submitted: November 2, 2009
- Operation: Air carrier
- Aircraft: [N809NN](https://openairdocs.org/aircraft/N809NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33519
- Aircraft time: 12 hours, 9 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Controller
- Condition: Faulty
- Location: Fire Detector
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20091014ORD01

## Discrepancy

DURING CLIMB, PASSING FLIGHT LEVEL 180, WHEEL WELL FIRE INDICATED.  INDICATIONS STOPPED AT 10000 FEET.  RETURNED TO ORD AND LANDED OVERWEIGHT AT 167,000 POUNDS WITHOUT INCIDENT.  WHEEL WELL LIGHT FLICKERED FOR APPROXIMATELY 5 MINUTES.  REPLACED OVERHEAD DETECTOR CONTROLLER.

---
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.
