# SDR AALA202107094364

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 2021
- Submitted: July 9, 2021
- Operation: Air carrier
- Aircraft: [N908NN](https://openairdocs.org/aircraft/N908NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31157
- Aircraft time: 25,883 hours, 10,748 cycles
- System (JASC): [2613 · Overheat Detection](https://openairdocs.org/jasc/2613)
- Part: Overheat Loop
- Condition: Faulted
- Location: Wing-Body
- Stage of operation: CL
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202107094364

## Discrepancy

AIRCRAFT WAS GROUNDED: WARNING MESSAGE FOR WING-TO-BODY OVERHEAT, FLIGHT DECLARED EMERGENCY AND RETURNED TO FIELD. REPLACED RH OUTBD OVERHEAT DETECTOR IAW TSM 26-18-00-810-802, OPS CHECK GOOD.

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