# SDR SWAA2026073145069

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2026
- Submitted: August 1, 2026
- Operation: Air carrier
- Aircraft: [N940WN](https://openairdocs.org/aircraft/N940WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36900
- Aircraft time: 54,704 hours, 33,759 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Sys
- Condition: Illuminated
- Location: Zone 400
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2026073145069

## Discrepancy

ENG 2 OVERHEAT LIGHT ILLUMINATED ON START,  R & R NR 2 ENGINE CORE RT & LT FIRE DETECTOR IAW MM 26-11-01.  R & R NR 2 ENGINE FAN UPPER AND LOWER FIRE DETECTOR IAW MM 26-11-01.  R & R ENGINE AND APU FIRE DETECTION CONTROL MODULE (M279) IAW MM 26-10-01.

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