# SDR CALA2013111500845

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 13, 2013
- Submitted: November 15, 2013
- Operation: Air carrier
- Aircraft: [N14735](https://openairdocs.org/aircraft/N14735), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28950
- Aircraft time: 48,491 hours, 15,444 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Detector
- Part number: 902864
- Part serial: 5281
- Condition: Failed
- Location: Nr 1 Engine
- Part time: 43,681 hours, 14,587 cycles
- 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/CALA2013111500845

## Discrepancy

ENG 1 OVERHEAT LIGHT CAME ON AT ABOUT 12000''.  RAN QRH ENG 1 OVERHEAT LIGHT WENT OUT AFTER 4 MIN, FOUND UPPER FAN A LOOP FAULT.  R & R UPPER FAN DETECTOR ASSEMBLY IAW AMM 26-11-01.

---
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.