# SDR SWAA2024061099159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2024
- Submitted: June 10, 2024
- Operation: Air carrier
- Aircraft: [N8551Q](https://openairdocs.org/aircraft/N8551Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36951
- Aircraft time: 21,923 hours, 10,978 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Sensor
- Part number: UNKNOWN
- Condition: False Indication
- Location: Apu Tailpipe
- Stage of operation: CR
- 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/SWAA2024061099159

## Discrepancy

APU DET INOP LIGHT ILLUMINATED IN FLIGHT. APU NOT USED. NH30 APU TAILPIPE FIRE LOOP FAULT.   REMOVED AND REPLACED APU TAILPIPE OVERHEAT DETECTOR <BR>IAW AMM 26-15-01

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