# SDR SWAA2021071994752

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2021
- Submitted: July 19, 2021
- Operation: Air carrier
- Aircraft: [N278WN](https://openairdocs.org/aircraft/N278WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36441
- Aircraft time: 47,561 hours, 285,387 cycles
- System (JASC): [2697 · Fire Protection System Wiring](https://openairdocs.org/jasc/2697)
- Part: Connector
- Condition: Dirty
- Location: Nr 1 Overheat
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021071994752

## Discrepancy

NR 1 ENGINE OVERHEAT LIGHT DURING CLIMBOUT PASSING 20;000' 300KTS 97 N1EGT APPROX830 BOTH ENGINES& ALL ENGINE INDICATIONS NORMAL. NO ENGINE SURGING; TEMPS; FUEL FLOW ALL NORMAL BOTH ENGINES. OVHT LIGHT ; #1 ENGINE OVERHEAT LIGHT DURING CLIMBOUT PASSING 20;000' 300KTS 97 N1EGT APPROX830 BOTH ENGINES& ALL ENGINE INDICATIONS NORMAL. NO ENGINE SURGING; TEMPS; FUEL FLOW ALL NORMAL BOTH ENGINES. OVHT LIGHT EXTINGUISED WHEN THRUST LEVER WAS CLOSED RTB BNA ALL CHECK LIST COMPLETED. NOTE #1 OVERHEAT LIGHT WAS ON FIRE CONTROL PANEL. 'A' LOOP MEL'D. / [01] INSPECTED #1 ENG A&B FIRE LOOPS CLEANED & RESEATED LOOP CONNECTORS DP1501 &DP1601 NO VISUAL DEFECTS NOTED PREFORMED OPERATIONAL TEST AS PER MM 26-11-00

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