# SDR UPS04242710

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2004
- Submitted: July 14, 2004
- Operation: Air carrier
- Aircraft: N951UP
- Make and model: Boeing 727-25C
- Registry model: [Boeing 727-25C](https://openairdocs.org/model/boeing-727-25c) (OpenAirDocs)
- Aircraft serial: 19850
- System (JASC): [3440 · Independent Position Determining System](https://openairdocs.org/jasc/3440)
- Part: Brake Assy
- Part number: 65249203
- Part serial: R00521
- Condition: Intermittent
- Location: Nr 2
- Stage of operation: NR
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS04242710

## Discrepancy

AIR TURNBACK TO PHX DUE TO WHEEL WELL FIRE INDICATION.  INSPECTED WHEEL WELL FIRE LOOPS AND WIRING, PERFORMED RESISTANCE CHECK OF FIRE LOOPS, ALL OK.  FOUND NR 2 BRAKE GRABBING.  REMOVED AND REPLACED BRAKE ASSY.  REPLACED FIRE AND OVERHEAT CONTROL BOX PRECAUTIONARY.

---
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.