# SDR SWAA2022061517242

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 11, 2022
- Submitted: June 15, 2022
- Operation: Air carrier
- Aircraft: [N8644C](https://openairdocs.org/aircraft/N8644C), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 35973
- Aircraft time: 25,803 hours, 11,978 cycles
- System (JASC): [2600 · Fire Protection System](https://openairdocs.org/jasc/2600)
- Part: Fire Detector
- Condition: Failed
- Stage of operation: CL
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022061517242

## Discrepancy

ENG #1 OVERHEAT LIGHT ON DURING CLIMBOUT ENG#1 OVERHEAT LIGHT ON FOR TEN MINUTES / [01] REMOVED AND REPLACED #1 ENGINE RIGHT CORE FIRE DETECTOR ASSEMBLY(M1760); LEFT CORE FIRE DETECTOR ASSEMBLY(M1759);ENGINE FAN LOWER FIRE DETECTOR ASSEMBLY(M1758) AND ENGINE FAN UPPER FIRE DETECTOR ASSEMBLY(M1757)REF AMM 26-11-01. NO HELP;[02] REMOVED AND REPLACED #1 ENG FIRE LOOP A HARNESS(MW0325) AND B CORE HARNESS(MW0326) REF AMM 26-11-02. NO HELP.

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