# SDR SWAA2018071023347

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2018
- Submitted: July 10, 2018
- Operation: Air carrier
- Aircraft: [N489WN](https://openairdocs.org/aircraft/N489WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 33855
- Aircraft time: 48,750 hours, 28,703 cycles
- System (JASC): [2612 · Fire Detection](https://openairdocs.org/jasc/2612)
- Part: Fire Detector
- Part number: 902862
- Part serial: 1998
- Condition: Faulty
- Location: Nr 2 Engine
- Stage of operation: CR
- 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/SWAA2018071023347

## Discrepancy

AIR TURNBACK, NR 2 ENGINE OVERHEAT LIGHT ILLUMINATED TWO TIMES MOMENTARILY WITH MASTER CAUTION AND OVERHEAT/DETECTION ON GLARE SHIELD.  R&R LT CORE FIRE DETECTOR ASSEMBLY PER AMM.

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